Ship reference
Seven Seas Mariner
Ship specifications and sources.
Quick facts
- Cruise line
- Regent Seven Seas Cruises
- Entered service
- 2001
- Status
- In service
About us Seven Seas Mariner
Seven Seas Mariner entered passenger service in March 2001 and remains part of Regent Seven Seas Cruises' current fleet. Its permanent IMO number is 9210139. Current Steamship Mutual cover identifies 48,075 gross tonnage and Nassau as the registry port. This individual identity matters when comparing similarly named ships or following a long vessel history across changing marketing descriptions.
Mariner's accommodation is entirely suite-based with private balconies. Compare the selected category's plan and location rather than assuming that every suite has the same space or services. The present operator inventory lists 352 suites and 459 crew. Older regional and port references describe a different room and guest inventory, so historical lower-berth figures are not silently presented as today's capacity.
A major refurbishment was completed in November 2025. Regent records entry into the Marseille dry dock on 3 November and completion by 26 November before a Barcelona-to-Miami crossing. This is a completed event rather than an unfulfilled renovation announcement. The accommodation pages also warn that some virtual tours predate the work, an important distinction when comparing an old walkthrough with current suite photographs.
The modernisation renewed furnishings and public spaces. For practical planning, confirm the precise room description and relevant category benefits on your actual reservation. A refreshed interior does not change the vessel's original service year. Similarly, a photograph of a premium suite cannot establish the bathroom or living arrangement of a different category.
Mariner's published 2026 programme included a 154-night world cruise planned from Miami back to Miami. That is a dated example of its long-voyage role, not a permanent route or confirmation that every advertised call occurred unchanged. A shorter segment can carry different included benefits from the complete journey, so assess the actual voyage booked.
Current length is approximately 216.1 metres, consistent with the operator's rounded 709-foot figure. Physical deck total, propulsion particulars and independently reconciled passenger capacity remain open where the reviewed current sources do not settle them. Choosing Mariner means weighing balcony accommodation, the updated interior and actual itinerary together. Compare shore time and transport arrangements alongside the suite, leaving optional experiences and services to their specific reservation conditions.
Specifications
| Specification | Value |
|---|---|
| Year built | 2001 |
| Entered service | 2001 |
| Gross tonnage (GT) | 48,075 |
| Guests at double occupancy | — |
| Maximum guests | — |
| Crew | 459 |
| Cabins | 352 |
| Decks (total) | — |
| Length (m) | 216.1 |
| Beam (m) | 28.3 |
| Last verified refurbishment year | 2025 |
| Maximum speed (knots) | — |
| IMO | 9210139 |
| Shipyard | — |
| Flag | Bahamas |
| Propulsion / fuel description | — |
A dash means no independently verified value is available. Guest counts at double occupancy and maximum capacity are different measures. GT measures enclosed volume, not weight.
Last checked:
Sources
- Regent — current individual inventory — Accessed
352suites/459crew/704guests;709ft/93ft rounded216.1m/28.3m; guestbasisnotderived.
- Steamship Mutual — individual2026/27cover — Accessed
IMO9210139GT48075Nassau.
- Steamship Mutual — individual explicitflag — Accessed
IMO9210139Bahamas.
- NCLH — filed2025annualfleettable — Accessed
- New Zealand Cruise Association — original service date — Accessed
March2001; older700lowerberths/445crew notsubstitutedforcurrentinventory.
- Regent — actualcompleted2025Marinerrefit — Accessed
Marseille3–26November2025 actualcompleted; notVoyager2026.
- Olbia portauthority — individuallengthandhistoricalinventory — Accessed
216.1m; dated2023rooms348/max700 notcurrent352/704.
- Regent — dated2026worldcruiseprogramme — Accessed
Planned154nightsroundtripMiami notproofallcallsoccurred.