IMO: 9210139
Seven Seas Mariner
Technical specifications, historical timeline, and comprehensive venue inventory.
The Blueprint
- Ship Class
- Seven Seas Mariner (one-off)
- Gross Tonnage (GT)
- 48,075
- Length (FT / M)
- 709 / 216.1
- Beam (FT / M)
- 93 / 28.3
- Decks (Passenger / Total)
- 8 / 12
- Shipyard
- Chantiers de l'Atlantique, Saint-Nazaire, France
- Registry
- Bahamas
- Godparent(s)
- Arleen Carlson
- LNG Powered
- No
- Build Cost
- $240,000,000
Timeline & Evolution
Inaugural Sail Year
2001
Major Refurbishments
2016
2025
Significant Changes
- 2016: Refurbishment: Signatures (Le Cordon Bleu) replaced by the Chartreuse French restaurant; Compass Rose menu upgrade.
- 2025: Drydock refurbishment (Nov 3-26 2025, Marseille): all suites refreshed, redone top-suite bathrooms, Pool Grill pizzeria, and the fleet-first Epicurean Enrichment Studio debut.
Registry & Build Record
- IMO Number
- 9210139
- MMSI
- 311622000
- Call Sign
- C6VV8
- Classification Society
- DNV
- Maiden Voyage
- March 2001
- Maximum Draft
- 6.4 m (21.0 ft)
Capacity & Space
- Double Occupancy
- 708
- Maximum Capacity
- 779
- Total Crew
- 445
- Passenger-to-Crew Ratio
- 1.59:1
- Space Ratio
- 67.90
Onboard Inventory
- Swimming Pools
- 1
- Hot Tubs / Whirlpools
- 3*
- Bars & Lounges
- 4
- Complimentary Dining Venues
- 6
- Elevators
- 9*
* Unofficial count — the cruise line publishes no official total for this figure.
Power & Propulsion
- Propulsion
- Diesel-electric
- Fuel Type
- Conventional liquid marine fuel (fuel oil / MGO-capable)
- Azipod Units
- 2
- Installed Power
- 31.68 MW (42,484 hp)
- Maximum Speed
- 20 Knots
- Engine Configuration
- Four Wartsila 12V38A diesel generator sets (4 x 7,920 kW; ~31.7 MW combined), diesel-electric with two Rolls-Royce Mermaid azimuthing propulsion pods.
Logistics
- Cruising Speed
- 20 Knots
- Medical Center
- Deck 4
Elevator Banks
atrium (panoramic)
main
Designated Smoking Zones
-
Connoisseur Clubindoor_designatedLocation: Deck 6Cigar and pipe smoking permitted in the Connoisseur Club cigar lounge.
-
Open pool/sun decks (designated area)outdoor_designatedLocation: Deck 11Smoking permitted in the designated open-air deck area.
-
Suites and verandasrestrictedLocation: All cabin decksSmoking prohibited in suites and on private verandas.
Cabin Summary
Total: 354
ADA Compliant: 4
- Suites
- 354
- Balcony
- 0
- Oceanview
- 0
- Inside
- 0
The Apex Suite
Signature Suite
2,002 SQ FT
The ship's flagship accommodation: a Signature Suite of about 2,002 square feet in total (interior 1,204 sq ft plus an 798 sq ft balcony), refreshed in the 2025 refurbishment.
Stateroom Taxonomy
Suites
- Signature Suite2
- Mariner Suite6
- Grand Suite2
- Seven Seas Suite10
- Horizon Suite12
- Penthouse Suite60
- Deluxe Suite262
Features & Amenities
Family & Youth
- Mini Golf
- Sports Court
Adults & Wellness
- Spa
- Thermal Suite
- Casino
Entertainment & Culture
- Production Theater
- Library
- Observation Lounge
Staterooms & Service
- Butler Service
- All-Inclusive Beverages
- Open Seating Dining
- Self Serve Laundry
Signature Experiences
World's first all-suite, all-balcony ship
world first
First Le Cordon Bleu dining at sea
industry first
Epicurean Enrichment Studio
fleet first
Mariner Pool and Lido sun deck
top-deck attraction
Pool Grill with poolside pizzeria
top-deck attraction
Full-circle jogging track
top-deck attraction
Mini-golf putting green and golf nets
top-deck attraction
Paddle tennis court
top-deck attraction
Shuffleboard and bocce
top-deck attraction
Ship-Specific Highlights
- Regent's fully all-inclusive fare covers unlimited shore excursions, all specialty dining with no cover charge, unlimited beverages including fine wines and premium spirits, gratuities and WiFi.
- The Epicurean Enrichment Studio, which debuted fleet-first aboard Mariner in 2025, offers chef-hosted dining, hands-on instruction and destination-inspired culinary programming.
Venues
Complimentary Dining
-
Compass Rosemain_dining_roomOpen-seating main dining room serving Continental cuisine.
-
La Veranda & Sette MaribuffetLido buffet by day; waiter-served Italian Sette Mari each evening.
-
Prime 7specialty_restaurantReservationReservation-only steakhouse, included in the fare.
-
Chartreusespecialty_restaurantReservationReservation-only French restaurant (Le Cordon Bleu heritage), included in the fare.
-
Pool Grillquick_servicePoolside grill with a new evening pizzeria concept.
-
Coffee Connectionquick_serviceComplimentary specialty-coffee and patisserie bar with light refreshments.
Bars & Nightlife
-
Mariner LoungeloungePiano bar with a resident pianist in the evenings.
-
Horizon LoungeloungeAft lounge with a dance floor over the sea; evening cocktails and afternoon tea.
-
Observation LoungeloungeForward panoramic lounge and second piano bar with evening performances.
-
Pool BarbarOpen-air poolside bar on the Lido deck.
Pools & Aquatics
-
Mariner PoolpoolThe heated main pool on the Lido deck, flanked by three whirlpools.
Active Recreation
-
Epicurean Enrichment Studiocooking_schoolFleet-first destination-inspired culinary programming studio, created in the 2025 refit in the former Stars Lounge space (Deck 6); debuts on the 2026 World Cruise.
Entertainment Venues
-
Constellation TheatertheaterTwo-level main show lounge for Broadway-style and Cirque productions.
Casino
-
CasinocasinoCasino with slots and table games.
Spa & Fitness
-
Serene Spa & WellnessspaThe ship's spa (formerly Canyon Ranch SpaClub) with a thermal suite.
-
Fitness Centerfitness_centerGym and fitness studio.
Retail & Shopping
-
BoutiquesshopOnboard boutiques.
Leisure & Public Spaces
-
Connoisseur Clubcigar_lounge$ extrasCigar lounge with fine cigars and vintage cognacs available for purchase.
-
AtriumatriumThe ship's eight-deck central atrium.
-
Card & Conference Roomcard_roomTwo combinable card and conference rooms.
-
LibrarylibraryLibrary with books, travel guides, videos and board games.
Guest Services
-
Guest ServicesreceptionReception and concierge desk.
-
Club.com Internet Centerinternet_cafeInternet and computer room (nominal fee).
Data Provenance
Last Verified: 2026-07-15