Ship reference
Mariner of the Seas
Ship specifications and sources.
Quick facts
- Cruise line
- Royal Caribbean International
- Class
- Voyager
- Entered service
- 2003
- Status
- In service
About us Mariner of the Seas
Mariner of the Seas entered passenger service in 2003 as a member of Royal Caribbean's Voyager family. Its operator factsheet identifies construction in Turku, Finland. For a present-day comparison, the most useful description combines the ship's measured scale with its own named facilities. A shared family label does not mean that every vessel has the same restaurants, room inventory or current activity programme.
The technical sheet publishes 139,863 gross tonnage, a rounded length of 310 metres and 3,344 guests at double occupancy. The operator counts 15 decks in total. Its cabin figure is not used here because the technical sheet and group-travel profile disagree. Leaving that field open preserves the distinction between checked facts and an unresolved counting difference rather than choosing a convenient number.
FlowRider, The Perfect Storm and Studio B feature in the documented offering. The vessel's material also identifies Bamboo Room, Playmakers Sports Bar & Arcade and Jamie's Italian. These names provide a practical framework for comparing social spaces, dining interests and recreation within a travelling party. Check participation requirements, schedules and fare conditions for the actual departure before treating an attraction or meal as part of the daily plan.
The published example beginning 1 November 2026 is a six-night New Orleans roundtrip. It visits Puerto Costa Maya, Belize City and Cozumel, with cruising days on the outward and return portions. This is a dated itinerary example rather than a guarantee of a permanent homeport or an unchanging route. The distinction matters when arranging flights, hotels and port transfers.
For accommodation, think about how your group will divide its time between destinations, quiet breaks and shared activities. Compare the exact room category and its location with the facilities you expect to visit. A detailed plan is more useful for that purpose than choosing solely by the ship's age. Mariner's individual venue mix and the timing of the selected cruise should guide the final comparison.
Specifications
| Specification | Value |
|---|---|
| Year built | — |
| Entered service | 2003 |
| Gross tonnage (GT) | 139,863 |
| Guests at double occupancy | 3,344 |
| Maximum guests | — |
| Crew | 1,200 |
| Cabins | — |
| Decks (total) | 15 |
| Length (m) | 310 |
| Beam (m) | 39 |
| Last verified refurbishment year | — |
| Maximum speed (knots) | — |
| IMO | 9227510 |
| Shipyard | KVAERNER MASA-YARDS, TURKU, FINLAND |
| Flag | — |
| 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.
Highlights
- The Perfect Storm
- Bamboo Room
- Studio B
Other ships in the same recorded class
Shared class does not guarantee identical cabins, venues or deck layouts.
| Adventure of the Seas | Voyager | — | 137,276 |
|---|---|---|---|
| Explorer of the Seas | Voyager | — | 137,308 |
| Navigator of the Seas | Voyager | — | 139,999 |
| Voyager of the Seas | Voyager | — | 137,276 |
Last checked:
Sources
- Mariner of the Seas — Royal Caribbean ship factsheet — Accessed
Operator-specific technical factsheet. Dimensions are the rounded published measurements; width conventions are not necessarily comparable between classes. Financial fleet-table estimates may differ.
- Royal Caribbean Group — operating fleet — Accessed
Operating-fleet membership; expansion projects are listed separately. Technical details use the ship-specific factsheet, not this financial summary.
- Royal Caribbean Incentives — fleet by class — Accessed
Published class family. Quantum Ultra belongs to the broader Quantum grouping in this directory.
- Mariner of the Seas — IMO identification — Accessed
Secondary cross-check for the immutable IMO identifier; checksum validated. Freedom uses the Bahamas Maritime Authority investigation report.
- Mariner — operator venues and dated itinerary — Accessed
Dated itinerary examples in October/November 2026, not permanent deployment claims. Outdated Sky Pad references are not adopted.