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Uniworld S.S. Maria Theresa vs AmaWaterways AmaSonata: 99 Highlights & 73 Differences — So, Which Cruise Ship Actually Works Better

One is famous for luxury flair, the other for balanced value. The better choice depends on how you cruise. We’re putting Uniworld S.S. Maria Theresa and AmaWaterways AmaSonata head to head. See how their passenger capacity at double occupancy, propulsion type, safety certification standard & show lounge capacity and travel benefits stack up before you book or pack.

Uniworld S.S. Maria Theresa
25 Points
AmaWaterways AmaSonata
vs

Highlights 162

No extras. Just what matters.
61 Points
vs
25 Points

Why is Uniworld S.S. Maria Theresa better than AmaWaterways AmaSonata ?

Scroll down for more facts

Comparing Uniworld S.S. Maria Theresa and AmaSonata River Cruise Ships

For enthusiasts of European river cruising, the Uniworld S.S. Maria Theresa and AmaWaterways' AmaSonata stand out as compelling choices. Both vessels are steel-hulled river cruise ships with four decks, including three dedicated passenger decks. They offer similar capacities, accommodating about 155-162 passengers at double occupancy. Featuring multiple dining venues, comprehensive dietary accommodations, beverage packages, and special gala evenings, these ships promise refined culinary experiences. They also boast like-minded onboard amenities such as swimming pools, fitness centers, spas, libraries, and extensive connectivity options that include WiFi, satellite TV, and digital cabin assistants.

Yet, fundamental differences differentiate their appeal. The S.S. Maria Theresa leans toward spacious luxury with a higher gross tonnage and more suites. At the same time, AmaSonata shines with its powerful engines, stabilizers for smoother sailing, and refreshed interiors from a 2021 refurbishment. Environmental compliance and safety standards are robust on both, but AmaSonata carries an ISO 14001 green building certification and additional ISM safety certification. Your choice hinges on preferences regarding cabin space, onboard wellness, cruising range, and excursions, paired with budget considerations.

Unique Luxury and Wellness on the S.S. Maria Theresa

The Uniworld S.S. Maria Theresa impresses with its elegant design and generous space allocation, featuring a gross tonnage of 4000 and a notable public space ratio of 3.87:1, which translates to luxurious public areas rarely matched on river ships. The ship offers a rich selection of cabin types, with 12 suites and an impressive 87% balcony cabins, making balcony views the norm rather than the exception.

Wellness is a strong suit for Maria Theresa: two jacuzzis, sauna and steam rooms, yoga and Pilates studios, and designated adult-only areas assure a serene setting for relaxation and rejuvenation. The ship's diesel-electric propulsion system grants an extended cruising range of 1500 nautical miles, allowing for longer itineraries without concerns over refueling. Although it lacks stabilizers, its thoughtfully engineered design includes bow thrusters for increased maneuverability at ports.

The Maria Theresa also offers advanced technology in cabin control, featuring smart cabin systems and digital assistants to enhance passenger comfort and convenience. Dining on board is diverse, with three dining venues including a specialty restaurant, complemented by room service; perfect for those seeking privacy or flexibility in meal options. This vessel complies fully with SOLAS safety standards and aligns with environmental regulations like MARPOL, enhanced by solar panel usage, underscoring its commitment to sustainability.

The Contemporary Efficiency and Excursion Variety of AmaSonata

On the flip side, the AmaSonata excels with modern engineering and broader adventure-oriented offerings. Although it possesses a somewhat lower gross tonnage of 3500 and a higher public space ratio of 12.2:1, indicating a more social and open onboard atmosphere, its power plant is a standout. With four diesel engines delivering 3000 kW total power and equipped with stabilizers, the AmaSonata provides a steadier ride and a slightly higher service speed of 11 knots.

This vessel underwent a thorough refurbishment in 2021, refreshing its interiors to modern sensibilities. Its 82 cabins include fewer suites, just three, but accommodate 2-3 occupants per cabin, providing greater flexibility for families or groups. The ship appeals particularly to food lovers with a partnership with celebrity chef Christophe Dufresne, offering specialty cuisine and culinary classes; features not present on the Maria Theresa. In total, AmaSonata offers three restaurants plus a café and multiple bars, supporting a lively onboard dining scene.

Outdoor enthusiasts will find a good match with AmaSonata's broad shore excursions that include adventure sports, wildlife watching, and wine tastings, catering to varied tastes. The presence of a running track and a thermal suite contributes to simplicity in fitness and relaxation without specialized wellness studios. Safety-wise, inferior lifeboat capacity is offset by comprehensive fire safety systems and ISM certification, ensuring compliance and security. Environmental stewardship is recognized with an ISO 14001 green building certification, reinforcing its sustainability focus.

Quick Take

The S.S. Maria Theresa impresses with its spacious cabins, numerous suites, and a wellness-rich environment perfect for guests seeking a luxurious and serene river cruise. Meanwhile, AmaSonata offers a fresher interior, more powerful engines with stabilizers for comfort, and a wider variety of excursions, appealing to active and budget-minded travelers.

Bottom Line Recommendation

If you value expansive, luxurious accommodations with specialized wellness offerings and smart tech for a stylish, relaxing voyage, the Uniworld S.S. Maria Theresa is an excellent choice, especially for longer cruises requiring extended range. Conversely, if a lower price point coupled with modern refurbishments, enhanced ride stability, and adventurous shore activities appeals more, AmaSonata provides a compelling and dynamic river cruise experience.

Verdict

  • Winner: Uniworld S.S. Maria Theresa - With superior cabin space, abundant suites, wellness facilities, and longer cruising range, it delivers a more luxurious and personalized journey.
  • Runner-up: AmaSonata - Offers excellent value, modernized interiors, stronger engines with stabilizers, and a broader range of excursions, ideal for vibrant, active travelers on a budget.

Comparisons 28

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Price comparisons

(✱) Prices may be changed at any time without further notice.

Related comparisons 28

Because one duel is never enough.

Comparisons & Facts 162

Side by side. The numbers. The features. No drama.

From travel tech to carry-on must-haves, this side-by-side look at Uniworld S.S. Maria Theresa and AmaWaterways AmaSonata covers everything seasoned travelers want to know.

General Information 22

Refurbishment Year

When was the ship last refurbished?

Who knows? 0 Votes Uniworld S.S. Maria Theresa (Help us out by suggesting one!)

65 AmaWaterways AmaSonata 1 Votes 2021

Uniworld S.S. Maria Theresa
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AmaWaterways AmaSonata
Refurbishment Year

AmaSonata underwent a refurbishment in 2021, whereas Uniworld S.S. Maria Theresa has no specified refurbishment year, suggesting AmaSonata may offer more updated facilities.

Year of the last refurbishment.

The 2021 refurbishment on AmaSonata is a big plus for me, fresh interiors are always nice and Uniworld doesn't list one.

See more

Ship Class

What is the ship class?

65 Uniworld S.S. Maria Theresa 0 Votes Super Ship Class

50 AmaWaterways AmaSonata 0 Votes Ama Class

Uniworld S.S. Maria Theresa
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AmaWaterways AmaSonata
Ship Class

The Ship Class for Uniworld S.S. Maria Theresa is Super Ship Class, distinct from AmaSonata's Ama Class, which indicates differing design and amenity standards between the two vessels.

Classification or family grouping of the ship.

Cruise Line

Which cruise line operates this ship?

65 Uniworld S.S. Maria Theresa 0 Votes Uniworld

70 AmaWaterways AmaSonata 0 Votes AmaWaterways

Uniworld S.S. Maria Theresa
vs
AmaWaterways AmaSonata
Cruise Line

Uniworld S.S. Maria Theresa is operated by Uniworld, while AmaSonata is operated by AmaWaterways, showcasing their affiliation with different cruise lines.

Company operating the ship.

Release Year

What year was the ship released?

54 Uniworld S.S. Maria Theresa 0 Votes 2015

50 AmaWaterways AmaSonata 0 Votes 2014

Uniworld S.S. Maria Theresa
vs
AmaWaterways AmaSonata
Release Year

Uniworld S.S. Maria Theresa was released in 2015, one year after AmaSonata, which debuted in 2014, making AmaSonata the slightly older vessel.

Year when the ship entered service.

Flag State

What is the ship’s flag state?

75 Uniworld S.S. Maria Theresa 0 Votes Netherlands

45 AmaWaterways AmaSonata 0 Votes Switzerland

Uniworld S.S. Maria Theresa
vs
AmaWaterways AmaSonata
Flag State

Uniworld S.S. Maria Theresa sails under the flag state of the Netherlands, while AmaSonata is flagged to Switzerland, which can influence regulatory compliance and operational protocols.

Legal flag state of the ship.

Sister Ships

What are this ship’s sister ships?

50 Uniworld S.S. Maria Theresa 0 Votes S.S. Catherine

60 AmaWaterways AmaSonata 0 Votes AmaCerto, AmaPrima, AmaReina, AmaVerde, AmaVenita

Uniworld S.S. Maria Theresa
vs
AmaWaterways AmaSonata
Sister Ships

Uniworld S.S. Maria Theresa lists S.S. Catherine as a sister ship, while AmaSonata has multiple sister ships including AmaCerto, AmaPrima, AmaReina, AmaVerde, and AmaVenita, belonging to a larger class of vessels.

Ships built to the same classdesign.

Ship Type

What type of ship is this?

50 Uniworld S.S. Maria Theresa 0 Votes River Cruise Ship

50 AmaWaterways AmaSonata 0 Votes River Cruise Ship

Defines the category of the ship.

Model Name

What is the model name of the ship?

25 Uniworld S.S. Maria Theresa 0 Votes S.S. Maria Theresa

40 AmaWaterways AmaSonata 0 Votes AmaSonata

The commercial or marketing name of the ship.

Model Number

What is the model number?

Who knows? 0 Votes Uniworld S.S. Maria Theresa (Help us out by suggesting one!)

Who knows? 0 Votes AmaWaterways AmaSonata (Help us out by suggesting one!)

Internal or builder-assigned number.

Previous Name

What was the previous name?

Who knows? 0 Votes Uniworld S.S. Maria Theresa (Help us out by suggesting one!)

Who knows? 0 Votes AmaWaterways AmaSonata (Help us out by suggesting one!)

The previous name of the cruise ship before it was rebranded or renamed.

Former Operator

Who was the former operator?

Who knows? 0 Votes Uniworld S.S. Maria Theresa (Help us out by suggesting one!)

Who knows? 0 Votes AmaWaterways AmaSonata (Help us out by suggesting one!)

The former company that operated the cruise ship.

IMO Number

What is the IMO number?

65 Uniworld S.S. Maria Theresa 0 Votes 9707456

66 AmaWaterways AmaSonata 0 Votes 9724207

Unique international maritime identifier.

Dimensions & Tonnage 15

Gross Tonnage

What is the gross tonnage?

4,000 GT 1 Votes
Uniworld S.S. Maria Theresa
3,500 GT 0 Votes
AmaWaterways AmaSonata

Uniworld S.S. Maria Theresa
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AmaWaterways AmaSonata
Gross Tonnage

Uniworld S.S. Maria Theresa's Gross Tonnage is 4000 GT, which is 500 GT more than AmaSonata's 3500 GT, suggesting Uniworld S.S. Maria Theresa has a larger overall volume.

Volume of enclosed spaces, measure of overall ship size.

I'd prefer Uniworld's larger gross tonnage for a more spacious feel on board, 4000 GT sounds way better than 3500 GT for a luxury experience.

See more

Draft Depth

What is the ship’s draft depth?

4.76 ft 0 Votes
Uniworld S.S. Maria Theresa
5.24 ft 0 Votes
AmaWaterways AmaSonata

Uniworld S.S. Maria Theresa
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AmaWaterways AmaSonata
Draft Depth

Uniworld S.S. Maria Theresa has a draft depth of 4.76 feet (1.45 meters), which is shallower than AmaSonata's 5.24 feet (1.6 meters), potentially allowing Uniworld S.S. Maria Theresa to navigate waters with less depth.

Vertical distance between waterline and keel.

Height

What is the ship’s height from keel to mast?

46.5 ft 0 Votes
Uniworld S.S. Maria Theresa
16.5 ft 0 Votes
AmaWaterways AmaSonata

Uniworld S.S. Maria Theresa
vs
AmaWaterways AmaSonata
Height

The height of Uniworld S.S. Maria Theresa is 46.5 feet (14.17 meters), significantly taller than AmaSonata's 16.5 feet (5.03 meters), indicating a more substantial superstructure for Uniworld S.S. Maria Theresa.

Overall vertical measurement from keel bottom to mast top.

Net Tonnage

What is the net tonnage?

3,400 NT 0 Votes
Uniworld S.S. Maria Theresa
1,670 NT 0 Votes
AmaWaterways AmaSonata

Uniworld S.S. Maria Theresa
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AmaWaterways AmaSonata
Net Tonnage

Uniworld S.S. Maria Theresa boasts a Net Tonnage of 3400 NT, considerably higher than AmaSonata's 1670 NT, implying more revenue-generating space on Uniworld S.S. Maria Theresa.

Revenue-earning volume of the ship.

Deadweight Tonnage

What is the deadweight tonnage?

1,700 DWT 0 Votes
Uniworld S.S. Maria Theresa

Who knows? 0 Votes AmaWaterways AmaSonata (Help us out by suggesting one!)

Uniworld S.S. Maria Theresa
vs
AmaWaterways AmaSonata
Deadweight Tonnage

Uniworld S.S. Maria Theresa has a Deadweight Tonnage of 1700 DWT, while this specification is not available for AmaSonata, making Uniworld S.S. Maria Theresa's cargo capacity more explicitly defined.

Weight the ship can safely carry including cargo, fuel, crew, and passengers.

Maximum Air Draft

What is the maximum air draft?

26 Uniworld S.S. Maria Theresa 0 Votes 27.2

16 AmaWaterways AmaSonata 0 Votes 16.5

Uniworld S.S. Maria Theresa
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AmaWaterways AmaSonata
Maximum Air Draft

Uniworld S.S. Maria Theresa has a maximum air draft of 27.2, substantially greater than AmaSonata's 16.5, which means AmaSonata can pass under lower bridges more easily.

Distance from waterline to highest point of the ship.

Crew Decks

How many crew decks does the ship have?

15 Uniworld S.S. Maria Theresa 0 Votes 2

5 AmaWaterways AmaSonata 0 Votes 1

Uniworld S.S. Maria Theresa
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AmaWaterways AmaSonata
Crew Decks

Uniworld S.S. Maria Theresa is equipped with 2 crew decks, providing more dedicated space for staff compared to AmaSonata which has 1 crew deck.

Decks reserved for crew use.

Length Overall

What is the ship’s length overall?

443 ft 0 Votes
Uniworld S.S. Maria Theresa
443 ft 0 Votes
AmaWaterways AmaSonata

Uniworld S.S. Maria Theresa
Uniworld S.S. Maria Theresa

That’s about 135.0 m, the standard size for many modern Danube/Main riverboats. It helps with lock compatibility across Central Europe.

AmaWaterways AmaSonata
AmaWaterways AmaSonata

The ship is 443 feet long, equivalent to about 135 meters. For context, this is roughly the length of 1.5 football fields, offering ample space for cabins and amenities.

Total ship length from bow to stern.

Beam

What is the ship’s beam (width)?

38 ft 0 Votes
Uniworld S.S. Maria Theresa
38 ft 0 Votes
AmaWaterways AmaSonata

Uniworld S.S. Maria Theresa
Uniworld S.S. Maria Theresa

Approximately 11.6 m wide, which is slim enough for European locks while still allowing generous interior layouts. Uniworld’s own page often lists 37.5 ft (≈11.4 m), so 38 ft is essentially a rounded figure.

AmaWaterways AmaSonata
AmaWaterways AmaSonata

The beam of 38 feet, or about 11.6 meters, is wide enough to provide comfort and stability on rivers, ensuring smooth sailing through narrow waterways.

Maximum beam (width) of the ship.

Displacement

What is the ship’s displacement?

15 Uniworld S.S. Maria Theresa 0 Votes 1400

21 AmaWaterways AmaSonata 0 Votes 1670

Uniworld S.S. Maria Theresa
Uniworld S.S. Maria Theresa

Add a unit (likely metric tons) for clarity so buyers don’t misread the figure. Also reconcile this with DWT to avoid conflicting technical claims.

Actual weight of the ship including contents.

Total Decks

How many decks does the ship have?

5 Uniworld S.S. Maria Theresa 0 Votes 4

5 AmaWaterways AmaSonata 0 Votes 4

Total number of decks on the ship.

Passenger Decks

How many passenger decks are there?

5 Uniworld S.S. Maria Theresa 0 Votes 3

5 AmaWaterways AmaSonata 0 Votes 3

Number of decks accessible to passengers.

Capacity 14

Passenger Capacity at Double Occupancy

What is the passenger capacity at double occupancy?

64 Uniworld S.S. Maria Theresa 0 Votes 155

69 AmaWaterways AmaSonata 0 Votes 162

Uniworld S.S. Maria Theresa
vs
AmaWaterways AmaSonata
Passenger Capacity at Double Occupancy

AmaSonata has a slightly higher passenger capacity at double occupancy of 162 guests compared to Uniworld S.S. Maria Theresa's 155 passengers, potentially leading to a more social atmosphere.

Number of passengers based on two per cabin.

Crew Capacity

What is the crew capacity?

47 Uniworld S.S. Maria Theresa 0 Votes 57

42 AmaWaterways AmaSonata 0 Votes 49

Uniworld S.S. Maria Theresa
vs
AmaWaterways AmaSonata
Crew Capacity

Uniworld S.S. Maria Theresa has a crew capacity of 57, which is 8 more than AmaSonata's 49 crew members, potentially allowing for a higher staff-to-guest ratio.

Maximum number of crew the ship can house.

Suite Count

How many suites are onboard?

13 Uniworld S.S. Maria Theresa 1 Votes 12

0 AmaWaterways AmaSonata 0 Votes 3

Uniworld S.S. Maria Theresa
vs
AmaWaterways AmaSonata
Suite Count

Uniworld S.S. Maria Theresa features 12 suites, a significantly greater number than AmaSonata's 3 suites, offering a wider choice of premium accommodations.

Number of suites onboard.

For suite options, Uniworld S.S. Maria Theresa clearly wins with 12 suites compared to just 3, which is a major factor for me when booking a cruise.

See more

Oceanview Cabin

How many oceanview cabins are there?

16 Uniworld S.S. Maria Theresa 0 Votes 38

0 AmaWaterways AmaSonata 0 Votes 0

Uniworld S.S. Maria Theresa
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AmaWaterways AmaSonata
Oceanview Cabin

Uniworld S.S. Maria Theresa provides 38 oceanview cabins, whereas AmaSonata offers 0 oceanview cabins, suggesting AmaSonata focuses more on balcony or interior cabins.

Number of cabins with outside ocean views.

Wheelchair Accessible Cabins

How many wheelchair accessible cabins are available?

15 Uniworld S.S. Maria Theresa 0 Votes 2

10 AmaWaterways AmaSonata 0 Votes 1

Uniworld S.S. Maria Theresa
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AmaWaterways AmaSonata
Wheelchair Accessible Cabins

Uniworld S.S. Maria Theresa offers 2 wheelchair accessible cabins, double the amount available on AmaSonata which has 1, providing better accessibility for Uniworld S.S. Maria Theresa guests.

Cabins designed for accessibility.

Average Cabin Size

What is the average cabin size?

52 Uniworld S.S. Maria Theresa 0 Votes 172-312

50 AmaWaterways AmaSonata 0 Votes 170-300

Uniworld S.S. Maria Theresa
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AmaWaterways AmaSonata
Average Cabin Size

Uniworld S.S. Maria Theresa's average cabin size ranges from 172-312 square feet, slightly larger at its maximum than AmaSonata's 170-300 square feet, potentially offering more spacious options on Uniworld S.S. Maria Theresa.

Average square footage of passenger cabins.

Public Space Ratio

What is the public space ratio?

11 Uniworld S.S. Maria Theresa 0 Votes 3.87:1

53 AmaWaterways AmaSonata 0 Votes 12.2:1

Uniworld S.S. Maria Theresa
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AmaWaterways AmaSonata
Public Space Ratio

AmaSonata boasts a substantially higher public space ratio of 12.2:1 compared to Uniworld S.S. Maria Theresa's 3.87:1, suggesting AmaSonata offers significantly more open space per passenger.

Ratio of gross tonnage to passengers, indicator of space per guest.

Number of Cabins

How many cabins does the ship have?

51 Uniworld S.S. Maria Theresa 0 Votes 75

56 AmaWaterways AmaSonata 0 Votes 82

Uniworld S.S. Maria Theresa
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AmaWaterways AmaSonata
Number of Cabins

AmaSonata offers 82 cabins, which is 7 more than Uniworld S.S. Maria Theresa's 75 cabins, providing more accommodation options on AmaSonata.

Total number of cabins onboard.

Passenger-to-Crew Ratio

What is the passenger-to-crew ratio?

60 Uniworld S.S. Maria Theresa 0 Votes 3:1

74 AmaWaterways AmaSonata 0 Votes 3.35:1

Uniworld S.S. Maria Theresa
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AmaWaterways AmaSonata
Passenger-to-Crew Ratio

Uniworld S.S. Maria Theresa maintains a more favorable passenger-to-crew ratio of 3:1 compared to AmaSonata's 3.35:1, implying more personalized service on Uniworld S.S. Maria Theresa.

Ratio of passengers to crew members.

Lifeboat Capacity

What is the lifeboat capacity?

23 Uniworld S.S. Maria Theresa 0 Votes 40

59 AmaWaterways AmaSonata 0 Votes 150

Uniworld S.S. Maria Theresa
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AmaWaterways AmaSonata
Lifeboat Capacity

AmaSonata has a significantly higher lifeboat capacity of 150 people compared to Uniworld S.S. Maria Theresa's 40, ensuring greater emergency capacity for all passengers.

Number of passengers that lifeboats can support.

Max Occupancy per Cabin

What is the max occupancy per cabin?

15 Uniworld S.S. Maria Theresa 0 Votes 2

45 AmaWaterways AmaSonata 0 Votes 2-3

Uniworld S.S. Maria Theresa
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AmaWaterways AmaSonata
Max Occupancy per Cabin

Uniworld S.S. Maria Theresa has a maximum occupancy of 2 per cabin, while AmaSonata allows for 2-3 occupants, offering more flexibility for families or small groups on AmaSonata.

Maximum number of people per cabin.

Maximum Passenger Capacity

What is the maximum passenger capacity?

40 Uniworld S.S. Maria Theresa 0 Votes 159

42 AmaWaterways AmaSonata 0 Votes 164

Uniworld S.S. Maria Theresa
Uniworld S.S. Maria Theresa

Likely a maximum berths figure rather than the standard marketed guest count. Clarifying “max berths vs. typical guests” will prevent confusion.

Maximum passengers with all berths filled.

Propulsion & Performance 14

Propulsion Type

What is the propulsion type?

65 Uniworld S.S. Maria Theresa 0 Votes Diesel-Electric

25 AmaWaterways AmaSonata 0 Votes Diesel

Uniworld S.S. Maria Theresa
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AmaWaterways AmaSonata
Propulsion Type

Uniworld S.S. Maria Theresa utilizes Diesel-Electric propulsion, offering potential benefits in efficiency and quieter operation compared to AmaSonata's standard Diesel propulsion.

Type of propulsion system used.

Number of Engines

How many engines does the ship have?

35 Uniworld S.S. Maria Theresa 0 Votes 2

65 AmaWaterways AmaSonata 0 Votes 4

Uniworld S.S. Maria Theresa
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AmaWaterways AmaSonata
Number of Engines

AmaSonata is equipped with 4 engines, double the number found on Uniworld S.S. Maria Theresa which has 2 engines, potentially offering more power or redundancy for AmaSonata.

Total count of engines onboard.

Service Speed

What is the service speed?

10 knots 0 Votes
Uniworld S.S. Maria Theresa
11 knots 0 Votes
AmaWaterways AmaSonata

Uniworld S.S. Maria Theresa
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AmaWaterways AmaSonata
Service Speed

AmaSonata's service speed is 11 knots (20.37 km/h), slightly faster than Uniworld S.S. Maria Theresa's 10 knots (18.52 km/h), allowing AmaSonata to cover more distance in a shorter time.

Typical cruising speed.

Stabilizers

Does the ship have stabilizers?

No 0 Votes Uniworld S.S. Maria Theresa

Yes 1 Votes AmaWaterways AmaSonata

Uniworld S.S. Maria Theresa
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AmaWaterways AmaSonata
Stabilizers

AmaSonata is equipped with stabilizers for a smoother ride, a feature not present on Uniworld S.S. Maria Theresa, which might lead to a less stable journey in certain conditions.

Whether stabilizers are present to reduce motion.

Having stabilizers on the AmaSonata would make for a much smoother ride on the river, I definitely prefer that feature over Uniworld not having them.

See more

Total Power Output

What is the total power output?

2,000 kW 0 Votes
Uniworld S.S. Maria Theresa
3,000 kW 0 Votes
AmaWaterways AmaSonata

Uniworld S.S. Maria Theresa
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AmaWaterways AmaSonata
Total Power Output

AmaSonata has a total power output of 3000 kW, which is 1000 kW (1 MW) more than Uniworld S.S. Maria Theresa's 2000 kW, providing AmaSonata with greater engine power.

Combined engine output.

Cruising Range

What is the cruising range?

26 Uniworld S.S. Maria Theresa 0 Votes 1500

2 AmaWaterways AmaSonata 0 Votes 600

Uniworld S.S. Maria Theresa
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AmaWaterways AmaSonata
Cruising Range

Uniworld S.S. Maria Theresa boasts a significantly larger cruising range of 1500 compared to AmaSonata's 600, indicating Uniworld S.S. Maria Theresa can travel much further without refueling.

Maximum range without refueling.

Fuel Type

What fuel does the ship use?

20 Uniworld S.S. Maria Theresa 0 Votes MDO

20 AmaWaterways AmaSonata 0 Votes HFO, MGO

Uniworld S.S. Maria Theresa
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AmaWaterways AmaSonata
Fuel Type

Uniworld S.S. Maria Theresa uses MDO fuel, whereas AmaSonata can utilize both HFO and MGO, giving AmaSonata more flexibility in fuel options.

Type of fuel used.

Maximum Speed

What is the maximum speed?

15 knots 0 Votes
Uniworld S.S. Maria Theresa
15 knots 0 Votes
AmaWaterways AmaSonata

Uniworld S.S. Maria Theresa
Uniworld S.S. Maria Theresa

That’s about 27.8 km/h (17.3 mph). Real-world itineraries are governed by locks, currents, and sightseeing windows rather than top speed.

AmaWaterways AmaSonata
AmaWaterways AmaSonata

The AmaSonata’s maximum speed of 15 knots (approximately 28 km/h) allows it to cruise efficiently on European rivers, balancing travel time with scenic enjoyment.

Top attainable speed.

Fuel Capacity

What is the fuel capacity?

10,000 gal 0 Votes
Uniworld S.S. Maria Theresa
9,000 gal 0 Votes
AmaWaterways AmaSonata

Uniworld S.S. Maria Theresa
Uniworld S.S. Maria Theresa

That’s around 37,854 liters. Actual range varies with current, hotel loads (HVAC, galley), and lock waiting times.

AmaWaterways AmaSonata
AmaWaterways AmaSonata

With a fuel capacity of 9,000 gallons (about 34,000 liters), the AmaSonata can cover long distances without needing frequent refueling, suitable for its 600 nautical mile range.

Maximum fuel storage capacity.

Bow Thrusters

Does the ship have bow thrusters?

Yes 0 Votes Uniworld S.S. Maria Theresa

Yes 0 Votes AmaWaterways AmaSonata

Uniworld S.S. Maria Theresa
Uniworld S.S. Maria Theresa

Thrusters are a big help for docking along busy piers and for micro-adjustments inside locks. This feature reduces reliance on tug assistance.

Whether bow thrusters are fitted for maneuverability.

Engine Manufacturer

Who is the engine manufacturer?

65 Uniworld S.S. Maria Theresa 0 Votes MAN

80 AmaWaterways AmaSonata 0 Votes MAN Diesel & Turbo

Company producing the engines.

Propellers Count

How many propellers are there?

2 propellers 0 Votes
Uniworld S.S. Maria Theresa
2 propellers 0 Votes
AmaWaterways AmaSonata

Number of propellers installed.

Safety & Regulations 11

Life Rafts Count

How many life rafts are onboard?

10 Uniworld S.S. Maria Theresa 0 Votes 4

20 AmaWaterways AmaSonata 0 Votes 6

Uniworld S.S. Maria Theresa
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AmaWaterways AmaSonata
Life Rafts Count

AmaSonata provides 6 life rafts, 2 more than Uniworld S.S. Maria Theresa's 4, offering increased emergency evacuation capacity for AmaSonata.

Number of inflatable life rafts.

Safety Certification Standard

What safety certification standard is met?

55 Uniworld S.S. Maria Theresa 0 Votes SOLAS

60 AmaWaterways AmaSonata 0 Votes SOLAS, ISM

Uniworld S.S. Maria Theresa
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AmaWaterways AmaSonata
Safety Certification Standard

AmaSonata adheres to both SOLAS and ISM safety certification standards, while Uniworld S.S. Maria Theresa only lists SOLAS, suggesting AmaSonata meets a broader set of international safety management guidelines.

Standard certifications the ship complies with.

Fire Safety Systems

What fire safety systems are installed?

35 Uniworld S.S. Maria Theresa 0 Votes Sprinklers, Fire Doors, Smoke Detectors

30 AmaWaterways AmaSonata 0 Votes Sprinklers, Fire Doors

Uniworld S.S. Maria Theresa
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AmaWaterways AmaSonata
Fire Safety Systems

Uniworld S.S. Maria Theresa's fire safety systems include Sprinklers, Fire Doors, and Smoke Detectors, adding an extra layer of detection compared to AmaSonata which lists Sprinklers and Fire Doors.

Fire prevention and response systems onboard.

Security Screening Facilities

What security screening facilities are present?

68 Uniworld S.S. Maria Theresa 0 Votes X-ray, Metal Detectors, ID Checkpoints

75 AmaWaterways AmaSonata 0 Votes X-ray, Metal Detectors

Uniworld S.S. Maria Theresa
vs
AmaWaterways AmaSonata
Security Screening Facilities

Uniworld S.S. Maria Theresa's security screening facilities include ID Checkpoints alongside X-ray and Metal Detectors, offering a slightly more comprehensive security process than AmaSonata.

Passenger and crew security systems at embarkation.

Lifeboats Count

How many lifeboats are there?

17 Uniworld S.S. Maria Theresa 0 Votes 4

17 AmaWaterways AmaSonata 0 Votes 4

Uniworld S.S. Maria Theresa
Uniworld S.S. Maria Theresa

River ships typically rely on life rafts rather than davit-launched lifeboats; verify before advertising “lifeboats.” If they are rafts, listing total person capacity per raft is more meaningful.

AmaWaterways AmaSonata
AmaWaterways AmaSonata

While four lifeboats are provided, the ship's lifeboat capacity is listed as 150 passengers, ensuring safety in emergencies for all guests and crew.

Total number of lifeboats available onboard.

Medical Facilities

What medical facilities are available?

75 Uniworld S.S. Maria Theresa 0 Votes Clinic

75 AmaWaterways AmaSonata 0 Votes Clinic

Onboard medical services and equipment.

Muster Stations

How many muster stations are there?

33 Uniworld S.S. Maria Theresa 0 Votes 4

33 AmaWaterways AmaSonata 0 Votes 4

Passenger assembly points for evacuation.

Evacuation Time Compliance

Does the ship meet evacuation time compliance?

Yes 0 Votes Uniworld S.S. Maria Theresa

Yes 0 Votes AmaWaterways AmaSonata

Compliance with evacuation time regulations.

SOLAS Compliance

Is the ship SOLAS compliant?

Yes 0 Votes Uniworld S.S. Maria Theresa

Yes 0 Votes AmaWaterways AmaSonata

Indicates compliance with SOLAS convention.

Environmental Compliance

What environmental standards are met?

55 Uniworld S.S. Maria Theresa 0 Votes MARPOL

55 AmaWaterways AmaSonata 0 Votes MARPOL

Compliance with environmental regulations.

Ice Class Rating

What is the ice class rating?

Who knows? 0 Votes Uniworld S.S. Maria Theresa (Help us out by suggesting one!)

Who knows? 0 Votes AmaWaterways AmaSonata (Help us out by suggesting one!)

Ice navigation certification for polar cruising.

Dining & Cuisine 13

Restaurants Count

How many restaurants are included?

85 Uniworld S.S. Maria Theresa 0 Votes 2

0 AmaWaterways AmaSonata 0 Votes 3

Uniworld S.S. Maria Theresa
vs
AmaWaterways AmaSonata
Restaurants Count

AmaSonata features 3 restaurants, one more than Uniworld S.S. Maria Theresa's 2 restaurants, offering a greater variety of dining venues.

Total number of restaurants available on the cruise ship.

Culinary Classes

Are culinary classes offered?

No 0 Votes Uniworld S.S. Maria Theresa

Yes 1 Votes AmaWaterways AmaSonata

Uniworld S.S. Maria Theresa
vs
AmaWaterways AmaSonata
Culinary Classes

AmaSonata offers culinary classes for guests, a feature not available on Uniworld S.S. Maria Theresa, appealing to those interested in cooking demonstrations.

Onboard cooking classes or demonstrations.

I love to cook so the culinary classes on AmaSonata are a huge draw for me. Uniworld S.S. Maria Theresa sadly doesn't offer them.

See more

Bars & Lounges Count

How many bars and lounges are there?

25 Uniworld S.S. Maria Theresa 0 Votes 3

15 AmaWaterways AmaSonata 0 Votes 2

Uniworld S.S. Maria Theresa
vs
AmaWaterways AmaSonata
Bars & Lounges Count

Uniworld S.S. Maria Theresa offers 3 bars and lounges, one more than AmaSonata's 2, providing guests with more social venues.

Number of bars and lounges onboard.

Cafés & Casual Dining

How many cafés and casual dining venues are onboard?

15 Uniworld S.S. Maria Theresa 0 Votes 2

5 AmaWaterways AmaSonata 0 Votes 1

Uniworld S.S. Maria Theresa
vs
AmaWaterways AmaSonata
Cafés & Casual Dining

Uniworld S.S. Maria Theresa features 2 cafes and casual dining options, double the amount of AmaSonata which has 1, offering more variety for relaxed meals.

Informal dining areas such as cafés and snack bars.

Room Service Availability

Is room service available?

Yes 0 Votes Uniworld S.S. Maria Theresa

No 0 Votes AmaWaterways AmaSonata

Uniworld S.S. Maria Theresa
vs
AmaWaterways AmaSonata
Room Service Availability

Room service is available on Uniworld S.S. Maria Theresa, while this amenity is not specified for AmaSonata, indicating Uniworld S.S. Maria Theresa offers this convenience.

Whether room service is available for passengers.

Dietary Options

What dietary options are available?

45 Uniworld S.S. Maria Theresa 0 Votes Vegetarian, Vegan, Gluten-Free

37 AmaWaterways AmaSonata 0 Votes Vegetarian, Vegan, Kosher, Halal, Gluten-Free

Uniworld S.S. Maria Theresa
vs
AmaWaterways AmaSonata
Dietary Options

AmaSonata offers a broader range of dietary options including Kosher and Halal, in addition to Vegetarian, Vegan, and Gluten-Free, which are also available on Uniworld S.S. Maria Theresa.

Special dietary accommodations offered.

Chef Partnerships

Does the ship feature chef partnerships?

Who knows? 0 Votes Uniworld S.S. Maria Theresa (Help us out by suggesting one!)

54 AmaWaterways AmaSonata 0 Votes Christophe Dufresne

Uniworld S.S. Maria Theresa
vs
AmaWaterways AmaSonata
Chef Partnerships

AmaSonata highlights a chef partnership with Christophe Dufresne, a unique culinary feature not specified for Uniworld S.S. Maria Theresa, suggesting distinct dining experiences on AmaSonata.

Partnerships with celebrity or Michelin-star chefs.

Dining Venues Count

How many dining venues are there?

25 Uniworld S.S. Maria Theresa 0 Votes 3

25 AmaWaterways AmaSonata 0 Votes 3

Uniworld S.S. Maria Theresa
Uniworld S.S. Maria Theresa

Baroque Restaurant (main), Viennese Café, and Bar du Leopard cover formal meals, coffee/pastries, and light bites. On select evenings, Leopard Bar hosts intimate tasting dinners with limited seating.

AmaWaterways AmaSonata
AmaWaterways AmaSonata

With three dining venues, including the specialty Chef's Table, AmaSonata offers diverse dining experiences, ranging from casual bites to gourmet multi-course meals.

Total number of dining venues available onboard.

Buffet Restaurants

How many buffet restaurants are there?

45 Uniworld S.S. Maria Theresa 0 Votes 1

45 AmaWaterways AmaSonata 0 Votes 1

Number of self-service buffet-style restaurants.

Specialty Restaurants

How many specialty restaurants are there?

24 Uniworld S.S. Maria Theresa 0 Votes 1

24 AmaWaterways AmaSonata 0 Votes 1

Number of themed or à la carte specialty restaurants.

Beverage Packages

Are beverage packages available?

Yes 0 Votes Uniworld S.S. Maria Theresa

Yes 0 Votes AmaWaterways AmaSonata

Availability of pre-paid beverage packages.

Gala Nights

Are there gala nights or formal dining events?

Yes 0 Votes Uniworld S.S. Maria Theresa

Yes 0 Votes AmaWaterways AmaSonata

Whether formal dining events are organized.

Recreation & Wellness 15

Jacuzzis

How many jacuzzis are there?

50 Uniworld S.S. Maria Theresa 0 Votes 2

35 AmaWaterways AmaSonata 0 Votes 1

Uniworld S.S. Maria Theresa
vs
AmaWaterways AmaSonata
Jacuzzis

Uniworld S.S. Maria Theresa features 2 jacuzzis, double the number found on AmaSonata which has 1, offering more hot tub relaxation options.

Number of hot tubs or whirlpools available.

Sauna & Steam Rooms

Are saunas or steam rooms available?

Yes 0 Votes Uniworld S.S. Maria Theresa

No 0 Votes AmaWaterways AmaSonata

Uniworld S.S. Maria Theresa
vs
AmaWaterways AmaSonata
Sauna & Steam Rooms

Uniworld S.S. Maria Theresa provides sauna and steam rooms, a wellness feature not specified for AmaSonata, suggesting enhanced relaxation options on Uniworld S.S. Maria Theresa.

Availability of saunas and steam rooms.

Yoga & Pilates Studios

Are yoga or pilates studios offered?

Yes 0 Votes Uniworld S.S. Maria Theresa

No 0 Votes AmaWaterways AmaSonata

Uniworld S.S. Maria Theresa
vs
AmaWaterways AmaSonata
Yoga & Pilates Studios

Uniworld S.S. Maria Theresa offers Yoga & Pilates Studios, which are not specified for AmaSonata, catering to guests seeking these specific fitness activities.

Dedicated studios for yoga, pilates, or similar.

Adult-Only Areas

Are there adult-only areas onboard?

Yes 0 Votes Uniworld S.S. Maria Theresa

No 0 Votes AmaWaterways AmaSonata

Uniworld S.S. Maria Theresa
vs
AmaWaterways AmaSonata
Adult-Only Areas

Uniworld S.S. Maria Theresa has adult-only areas, providing quiet spaces for guests, a feature not specified for AmaSonata.

Areas restricted to adults for relaxation.

Show Lounge Capacity

What is the show lounge capacity?

80 Uniworld S.S. Maria Theresa 0 Votes 100

0 AmaWaterways AmaSonata 0 Votes 120

Uniworld S.S. Maria Theresa
vs
AmaWaterways AmaSonata
Show Lounge Capacity

AmaSonata's show lounge has a capacity of 120, which is 20 seats more than Uniworld S.S. Maria Theresa's 100, allowing AmaSonata to accommodate more guests for performances.

Capacity of the show lounge on the cruise ship for guests.

Spa Facilities

What spa facilities are available?

68 Uniworld S.S. Maria Theresa 0 Votes Massages, Beauty Salon

72 AmaWaterways AmaSonata 0 Votes Massages, Thermal Suite, Beauty Salon

Uniworld S.S. Maria Theresa
vs
AmaWaterways AmaSonata
Spa Facilities

AmaSonata's spa facilities include a Thermal Suite in addition to Massages and a Beauty Salon, offering a more extensive wellness experience than Uniworld S.S. Maria Theresa.

Types of spa services offered.

Running Track

Is there a running track?

No 0 Votes Uniworld S.S. Maria Theresa

Yes 0 Votes AmaWaterways AmaSonata

Uniworld S.S. Maria Theresa
vs
AmaWaterways AmaSonata
Running Track

AmaSonata features a running track for active guests, a facility not available on Uniworld S.S. Maria Theresa, appealing to those who enjoy outdoor exercise.

Whether an outdoor runningjogging track is available.

Swimming Pools

How many swimming pools are there?

35 Uniworld S.S. Maria Theresa 0 Votes 1

35 AmaWaterways AmaSonata 0 Votes 1

Uniworld S.S. Maria Theresa
Uniworld S.S. Maria Theresa

There’s a glass-enclosed indoor pool near Bar du Leopard—handy in cooler months or rainy days. It’s more of a plunge/relax pool than a lap facility.

AmaWaterways AmaSonata
AmaWaterways AmaSonata

The heated pool on the Sun Deck offers a relaxing spot for guests to unwind while enjoying the scenic river views.

Total number of swimming pools onboard.

Fitness Center

Is there a fitness center?

Yes 0 Votes Uniworld S.S. Maria Theresa

Yes 0 Votes AmaWaterways AmaSonata

Uniworld S.S. Maria Theresa
Uniworld S.S. Maria Theresa

Expect a compact gym (treadmills, bikes, free weights) adequate for light workouts. Morning stretch or yoga may move to the Sun Deck or lounge when weather allows.

Availability of a passenger fitness center.

Sports Courts

How many sports courts are there?

0 Uniworld S.S. Maria Theresa 0 Votes 0

0 AmaWaterways AmaSonata 0 Votes 0

Number of courts for basketball, tennis, etc.

Rock Climbing Wall

Does the ship have a rock climbing wall?

No 0 Votes Uniworld S.S. Maria Theresa

No 0 Votes AmaWaterways AmaSonata

Presence of a rock climbing wall facility.

Mini Golf

Is mini golf available?

No 0 Votes Uniworld S.S. Maria Theresa

No 0 Votes AmaWaterways AmaSonata

Whether a mini golf course is available.

Entertainment & Excursions 14

Show Productions

What show productions are offered?

35 Uniworld S.S. Maria Theresa 0 Votes Live Band

20 AmaWaterways AmaSonata 0 Votes Folkloric Shows, Regional entertainment

Uniworld S.S. Maria Theresa
vs
AmaWaterways AmaSonata
Show Productions

Uniworld S.S. Maria Theresa offers live band performances, while AmaSonata provides Folkloric Shows and Regional entertainment, catering to different entertainment preferences.

Large-scale entertainment shows.

Shore Excursion Options

What shore excursions are available?

53 Uniworld S.S. Maria Theresa 0 Votes Cultural Tours, City Sightseeing

61 AmaWaterways AmaSonata 0 Votes Cultural Tours, Adventure Sports, Wildlife Watching, City Sightseeing, Architectural Tours, Wine Tastings

Uniworld S.S. Maria Theresa
Uniworld S.S. Maria Theresa

Expect “Gentle Walkers,” “Go Active” bike rides, and “Do as the Locals Do” options with Quietvox headsets. These tiers let mixed-ability groups enjoy the same destinations together.

AmaWaterways AmaSonata
AmaWaterways AmaSonata

AmaSonata offers a variety of shore excursions catering to different interests, from history buffs to adventure seekers, with local wine tastings as a unique highlight.

Types of shore excursions offered.

Cinema

Is there a cinema or IMAX onboard?

No 0 Votes Uniworld S.S. Maria Theresa

No 0 Votes AmaWaterways AmaSonata

Uniworld S.S. Maria Theresa
Uniworld S.S. Maria Theresa

There’s a cozy Lipizzan Cinema onboard for classic films and small screenings. It’s not IMAX scale, but great for a quiet evening option.

Whether the ship has a cinema or IMAX.

Library

Is there a library onboard?

Yes 0 Votes Uniworld S.S. Maria Theresa

Yes 0 Votes AmaWaterways AmaSonata

Uniworld S.S. Maria Theresa
Uniworld S.S. Maria Theresa

You’ll find a small curated selection—novels and local guidebooks—often by the Leopard Bar. It’s a nice touch for unplugged downtime between ports.

Availability of a library or reading lounge.

Live Music Venues

How many live music venues are there?

15 Uniworld S.S. Maria Theresa 0 Votes 1

15 AmaWaterways AmaSonata 0 Votes 1

Number of venues dedicated to live music.

Theater Capacity

What is the theater’s seating capacity?

0 Uniworld S.S. Maria Theresa 0 Votes 0

0 AmaWaterways AmaSonata 0 Votes 0

Seating capacity of the main theater.

Casino Presence

Is there a casino onboard?

No 0 Votes Uniworld S.S. Maria Theresa

No 0 Votes AmaWaterways AmaSonata

Availability of a casino facility.

Ice Rink

Is there an ice rink onboard?

No 0 Votes Uniworld S.S. Maria Theresa

No 0 Votes AmaWaterways AmaSonata

Whether there is an ice skating rink.

Virtual Reality

Is there a VR or arcade onboard?

No 0 Votes Uniworld S.S. Maria Theresa

No 0 Votes AmaWaterways AmaSonata

Whether VR or arcade facilities are available.

Expedition Gear Storage

Is there expedition gear storage?

Yes 0 Votes Uniworld S.S. Maria Theresa

Yes 0 Votes AmaWaterways AmaSonata

Facilities to store gear for expeditionactive travel.

Zodiac Boats

How many zodiac or tender boats are available?

0 Uniworld S.S. Maria Theresa 0 Votes 0

0 AmaWaterways AmaSonata 0 Votes 0

Number of small boats for landingsexcursions.

Expedition Team

Is there an expedition team or naturalists onboard?

Yes 0 Votes Uniworld S.S. Maria Theresa

No 0 Votes AmaWaterways AmaSonata

Whether trained experts guide excursions.

Technology & Connectivity 12

WiFi Availability

Is WiFi available onboard?

Yes 0 Votes Uniworld S.S. Maria Theresa

Yes 0 Votes AmaWaterways AmaSonata

Uniworld S.S. Maria Theresa
Uniworld S.S. Maria Theresa

Wi-Fi is included, strongest while in port and potentially spotty inside locks or deep valleys. Downloading maps or shows ahead of time is a smart backup.

AmaWaterways AmaSonata
AmaWaterways AmaSonata

The ship is equipped with reliable WiFi, ensuring guests can stay connected during their journey, whether to share travel updates or manage work commitments.

Whether WiFi is available onboard.

Onboard App

Is there an onboard app or digital service?

Yes 0 Votes Uniworld S.S. Maria Theresa

Yes 0 Votes AmaWaterways AmaSonata

Uniworld S.S. Maria Theresa
Uniworld S.S. Maria Theresa

Daily programs and infotainment may be delivered digitally, but there’s no widely advertised voice assistant. Phrase as “digital daily program/infotainment” for accuracy.

Availability of apps for bookings, schedules, or activities.

Smart Cabin Controls

Are smart cabin controls provided?

Yes 0 Votes Uniworld S.S. Maria Theresa

No 0 Votes AmaWaterways AmaSonata

Uniworld S.S. Maria Theresa
Uniworld S.S. Maria Theresa

Expect touch-panel lighting and climate controls, plus balcony windows that lower at the touch of a button. These conveniences make small spaces feel tailored and modern.

Smart features like app-based lighting, temperature, or keyless entry.

Digital Cabin Assistant

Does it feature a digital cabin assistant?

Yes 0 Votes Uniworld S.S. Maria Theresa

Yes 0 Votes AmaWaterways AmaSonata

Uniworld S.S. Maria Theresa
Uniworld S.S. Maria Theresa

No named voice/AI assistant appears on the operator page; verify before positioning it as a feature. Consider “in-cabin infotainment and controls” for accurate wording.

Whether the cruise ship includes a digital assistant for easier navigation.

Radar Systems

What radar systems are installed?

65 Uniworld S.S. Maria Theresa 0 Votes X-band

65 AmaWaterways AmaSonata 0 Votes X-band, S-band

Radar technologies available.

GPS Integration

Does the ship have GPS integration?

Yes 0 Votes Uniworld S.S. Maria Theresa

Yes 0 Votes AmaWaterways AmaSonata

Indicates whether GPS is integrated into ship navigation.

Dynamic Positioning

Does the ship have dynamic positioning?

No 0 Votes Uniworld S.S. Maria Theresa

No 0 Votes AmaWaterways AmaSonata

Ability to maintain position using thrusterspropellers.

Communication Systems

What communication systems are installed?

58 Uniworld S.S. Maria Theresa 0 Votes VHF, Satellite

52 AmaWaterways AmaSonata 0 Votes VHF, UHF, Satellite

Ship-to-shore and onboard communication technologies.

Bridge Control Type

What bridge control type is used?

45 Uniworld S.S. Maria Theresa 0 Votes Semi-Automated

45 AmaWaterways AmaSonata 0 Votes Semi-Automated

Level of bridge control automation.

Automation Level

What is the ship’s automation level?

45 Uniworld S.S. Maria Theresa 0 Votes Medium

45 AmaWaterways AmaSonata 0 Votes Medium

Degree of automation onboard.

Satellite TV

Is satellite TV available?

Yes 0 Votes Uniworld S.S. Maria Theresa

Yes 0 Votes AmaWaterways AmaSonata

Indicates if passenger areas have satellite television.

Sustainability & Environmental 11

Wastewater Treatment System

Does the ship have a wastewater treatment system?

Yes 0 Votes Uniworld S.S. Maria Theresa

Yes 0 Votes AmaWaterways AmaSonata

Uniworld S.S. Maria Theresa
Uniworld S.S. Maria Theresa

Modern EU riverboats are equipped to meet inland environmental rules for gray/black water. It allows compliant operations near sensitive waterways and historic city centers.

AmaWaterways AmaSonata
AmaWaterways AmaSonata

The ship is equipped with a wastewater treatment system, making it more environmentally friendly by minimizing the impact on the rivers it sails.

Indicates if advanced wastewater treatment is installed.

Emission Reduction Tech

What emission reduction technologies are used?

65 Uniworld S.S. Maria Theresa 0 Votes Scrubbers

65 AmaWaterways AmaSonata 0 Votes Scrubbers

Uniworld S.S. Maria Theresa
Uniworld S.S. Maria Theresa

Scrubbers are uncommon on EU riverboats and aren’t cited by the operator; verify before claiming. If unverified, omit to avoid green-washing.

AmaWaterways AmaSonata
AmaWaterways AmaSonata

Emission scrubbers on board help reduce sulfur emissions, making the ship more eco-friendly while meeting stringent environmental standards.

Systems to minimize exhaust emissions.

Shore Power Capability

Does the ship support shore power?

Yes 0 Votes Uniworld S.S. Maria Theresa

Yes 0 Votes AmaWaterways AmaSonata

Uniworld S.S. Maria Theresa
Uniworld S.S. Maria Theresa

If present, note compatibility (e.g., common 400V three-phase) and that availability varies by port. Shore power helps reduce local emissions while docked.

Ability to connect to shore-based electrical power.

Energy Efficiency Rating

What is the ship’s energy efficiency rating?

95 Uniworld S.S. Maria Theresa 0 Votes A

95 AmaWaterways AmaSonata 0 Votes A

AmaWaterways AmaSonata
AmaWaterways AmaSonata

The ship’s "A" energy efficiency rating reflects its commitment to sustainable operations, ensuring lower energy consumption per passenger.

Overall efficiency class based on design index.

Ballast Water Treatment

Does the ship have ballast water treatment?

Yes 0 Votes Uniworld S.S. Maria Theresa

Yes 0 Votes AmaWaterways AmaSonata

Uniworld S.S. Maria Theresa
Uniworld S.S. Maria Theresa

Ballast disclosures are unusual for inland craft; confirm before listing. If unneeded, consider removing to reduce spec clutter.

Indicates if ballast water is treated to prevent invasive species.

Single-Use Plastic Reduction

Does the ship reduce single-use plastics?

Yes 0 Votes Uniworld S.S. Maria Theresa

Yes 0 Votes AmaWaterways AmaSonata

AmaWaterways AmaSonata
AmaWaterways AmaSonata

The ship has measures in place to reduce single-use plastics, helping minimize environmental impact and contributing to its eco-conscious operations.

Policies to reduce single-use plastics.

Recycling Facilities

Are there recycling facilities onboard?

Yes 0 Votes Uniworld S.S. Maria Theresa

Yes 0 Votes AmaWaterways AmaSonata

Onboard systems for recycling waste.

Solar Panel Usage

Does the ship use solar panels?

Yes 0 Votes Uniworld S.S. Maria Theresa

No 0 Votes AmaWaterways AmaSonata

Whether solar panels supplement onboard energy.

LNG

Is the ship LNG or hybrid ready?

No 0 Votes Uniworld S.S. Maria Theresa

No 0 Votes AmaWaterways AmaSonata

Capability of using LNG or hybrid propulsion.

Carbon Offset Program

Is there a carbon offset program?

Yes 0 Votes Uniworld S.S. Maria Theresa

Yes 0 Votes AmaWaterways AmaSonata

Indicates if carbon offsetting is offered for passenger travel.

Green Building Certification

What green certifications are held?

Who knows? 0 Votes Uniworld S.S. Maria Theresa (Help us out by suggesting one!)

75 AmaWaterways AmaSonata 0 Votes ISO 14001

Certifications showing sustainable design.

Service & Operations 11

Home Port

What is the ship’s home port?

85 Uniworld S.S. Maria Theresa 0 Votes Amsterdam's Passenger Terminal (Amsterdam), Wiener Linien Terminal (Vienna), Frankfurt City Docks (Frankfurt)

0 AmaWaterways AmaSonata 0 Votes Schiffstation Basel (Basel)

Uniworld S.S. Maria Theresa
Uniworld S.S. Maria Theresa

River vessels typically don’t maintain a fixed “home port” like ocean ships; they seasonally base along the Danube/Main/Rhine. Listing rivers/regions may be clearer for travelers.

Main registered home port of the ship.

Crew Nationalities Diversity

What is the crew nationality mix?

45 Uniworld S.S. Maria Theresa 0 Votes European, Asian, Latin American

45 AmaWaterways AmaSonata 0 Votes European

Diversity of crew nationalities onboard.

Crew Training Standard

What is the crew training standard?

80 Uniworld S.S. Maria Theresa 0 Votes STCW, ISM

85 AmaWaterways AmaSonata 0 Votes STCW

Standard to which crew are trained.

Language Availability

What languages are available onboard?

77 Uniworld S.S. Maria Theresa 0 Votes English, German, French

77 AmaWaterways AmaSonata 0 Votes English, German, French

Languages spoken onboard.

Customer Service Desk

Is there a customer service desk?

Yes 0 Votes Uniworld S.S. Maria Theresa

Yes 0 Votes AmaWaterways AmaSonata

Availability of a 247 guest services desk.

Medical Team Size

How large is the medical team?

80 Uniworld S.S. Maria Theresa 0 Votes 1-2 medical staff

0 AmaWaterways AmaSonata 0 Votes 1-2 medical staff

Number of doctors and nurses onboard.

Housekeeping Frequency

How often is housekeeping provided?

85 Uniworld S.S. Maria Theresa 0 Votes Daily

0 AmaWaterways AmaSonata 0 Votes Daily

Frequency of cabin housekeeping.

Turnaround Time at Port

What is the turnaround time at port?

85 Uniworld S.S. Maria Theresa 0 Votes 4-6 Hours

0 AmaWaterways AmaSonata 0 Votes 4-6 Hours

Average time required for disembarkationembarkation at port.

Maintenance Interval

What is the maintenance interval?

6 Months 0 Votes
Uniworld S.S. Maria Theresa
24 Months 0 Votes
AmaWaterways AmaSonata

Interval between scheduled maintenance.

Dry Dock Schedule

What is the dry dock schedule?

Who knows? 0 Votes Uniworld S.S. Maria Theresa (Help us out by suggesting one!)

Who knows? 0 Votes AmaWaterways AmaSonata (Help us out by suggesting one!)

Years between mandatory dry dockings.

Concierge Service

Is concierge service offered?

Yes 0 Votes Uniworld S.S. Maria Theresa

Yes 0 Votes AmaWaterways AmaSonata

Whether a concierge service is available for passengers.

Pricing & Value-Add 10

Beverages

Are beverages included in the fare?

Yes 0 Votes Uniworld S.S. Maria Theresa

Yes 0 Votes AmaWaterways AmaSonata

Whether standard beverages are included in fare.

WiFi

Is WiFi included?

Yes 0 Votes Uniworld S.S. Maria Theresa

Yes 0 Votes AmaWaterways AmaSonata

Whether WiFi is included without extra charge.

Gratuities

Are gratuities included?

Yes 0 Votes Uniworld S.S. Maria Theresa

Yes 0 Votes AmaWaterways AmaSonata

Whether tips and gratuities are included.

Excursions

Are excursions included?

Yes 0 Votes Uniworld S.S. Maria Theresa

Yes 0 Votes AmaWaterways AmaSonata

Whether shore excursions are part of the fare.

Loyalty Program Availability

Is a loyalty program available?

Yes 0 Votes Uniworld S.S. Maria Theresa

Yes 0 Votes AmaWaterways AmaSonata

Indicates if passengers can join a loyalty program.

Onboard Credit Offers

Are onboard credit offers available?

Yes 0 Votes Uniworld S.S. Maria Theresa

Yes 0 Votes AmaWaterways AmaSonata

Whether onboard credit is offered as part of booking promotions.

Cabin Upgrade Options

Are cabin upgrade options offered?

Yes 0 Votes Uniworld S.S. Maria Theresa

Yes 0 Votes AmaWaterways AmaSonata

Whether complimentary or discounted upgrades are available.

Kids Sail Free Promotions

Are there kids sail free promotions?

No 0 Votes Uniworld S.S. Maria Theresa

No 0 Votes AmaWaterways AmaSonata

Indicates if kids can sail free under special promotions.

Seasonal Discounts

Are seasonal discounts available?

Yes 0 Votes Uniworld S.S. Maria Theresa

Yes 0 Votes AmaWaterways AmaSonata

Indicates if fares are discounted seasonally.

Early Booking Benefits

Are there early booking benefits?

Yes 0 Votes Uniworld S.S. Maria Theresa

Yes 0 Votes AmaWaterways AmaSonata

Whether passengers receive benefits for booking early.

Surveys

Because hot takes deserve votes.

Travel Comfort Levels

How comfortable is this cruise ship during long journeys?

Extremely comfortable — Feels like a floating luxury hotel
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Very comfortable — Spacious and relaxing experience
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Comfortable — Good seating and sleeping arrangements
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Decent — Some comfort but not ideal for long trips
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Uncomfortable — Feels cramped and hard to relax
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata

Speed and Travel Time

How fast is this cruise ship for long-distance travel?

Super fast — Less than 5 hours for long routes
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Very fast — 5 to 10 hours for long routes
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Fast — 10 to 15 hours for long routes
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Moderate — 15 to 20 hours for long routes
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Very slow — Over 20 hours for long routes
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata

Cabin Space

How spacious are the cabins on this cruise ship?

Very large — Over 300 square feet
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Large — 200 to 300 square feet
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Moderate — 150 to 200 square feet
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Small — 100 to 150 square feet
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Very tight — Under 100 square feet
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata

Dining Experience

How enjoyable is the dining experience on this cruise ship?

Outstanding — Gourmet-level dining every time
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Great — Wide selection with high-quality dishes
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Good — Tasty meals with decent variety
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Average — Basic meals with some options
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Disappointing — Limited food variety and taste
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata

Entertainment and Activities

How entertaining is this cruise ship during the journey?

Nonstop fun — Endless entertainment options
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Very fun — Many engaging activities
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Decent fun — Several activities to enjoy
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Somewhat dull — Few options available
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Very boring — Hardly any activities
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata

Noise Levels

How quiet is this cruise ship during travel?

Peacefully quiet — Silent and calm everywhere
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Quiet — Rarely noticeable
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Moderate noise — Manageable but present
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Quite noisy — Noticeable in most areas
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Extremely noisy — Hard to relax anywhere
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata

Service and Staff Friendliness

How friendly and helpful is the staff on this cruise ship?

Exceptional — Staff make the trip feel special
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Very nice — Attentive and welcoming service
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Nice — Friendly staff, decent service
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Okay — Basic service but not warm
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Unpleasant — Rude and unhelpful staff
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata

Cleanliness and Maintenance

How clean and well-maintained is this cruise ship?

Spotless — Perfectly clean and fresh everywhere
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Very clean — Well-maintained in most areas
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Clean — Acceptable cleanliness
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Somewhat messy — Needs better cleaning
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Very dirty — Feels neglected
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata

Boarding and Check-in Experience

How smooth is the boarding and check-in process on this cruise ship?

Seamless — Feels effortless and stress-free
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Smooth — Quick and easy boarding
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Decent — Manageable but not fast
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Frustrating — Too much waiting and delays
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Terrible — Long lines and confusing process
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata

Pricing and Value

How fairly priced is this cruise ship experience?

Great value for money
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Pretty good price
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Fair deal
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Kinda pricey
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata
Crazy expensive
0 Votes
Uniworld S.S. Maria Theresa
0 Votes
AmaWaterways AmaSonata

Guides 2

Videos 1

AmaWaterways AmaSonata European River Cruise Ship Tour

AmaWaterways AmaSonata European River Cruise Ship Tour

youtube.com
youtube.com

Files 1

AmaSonata River Cruise Ship Deck Plan

cruisedeckplans.com
cruisedeckplans.com

Reviews 0

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Average Rating

Uniworld
Uniworld
Uniworld S.S. Maria Theresa
Uniworld S.S. Maria Theresa
0 / 5 0 Reviews
AmaWaterways
AmaWaterways
AmaWaterways AmaSonata
AmaWaterways AmaSonata
0 / 5 0 Reviews

Discussions 0

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Awards 0

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Collections 0

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Other AmaWaterways Cruise Ships 32

Uniworld S.S. Maria Theresa
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Uniworld
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AmaWaterways AmaSonata
AmaWaterways
AmaWaterways
AmaWaterways AmaSonata
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