Sporting a design that draws heavily on the opulent splendor of the 18th-century Habsburg court (in keeping with its namesake), the S.S. Maria Theresa sails European waterways with a near-imperial level of luxury, complete with butler service, ultra-fine dining, and an expensive price tag to match.
| Cruise Line | Uniworld River Cruise Lines |
| Builder | |
| Entered Service | 2015 |
| Registry | |
| Length (ft) | |
| Beam (ft) | |
| Draft (ft) | |
| Tonnage |
| Cruise Style | |
| Size | Mid-Size |
| Passenger Decks | |
| Cabins | |
| Total Crew | 57 |
| Max. Passengers | 150 |
| Passenger/Crew Ratio | 1 : 0.4 (#223 of 333) |
| Passenger/Space Ratio | 1 : -1 (#1 of 226) |