Things to do
- Highlights: Royal Escape Room
- FlowRider
- The Perfect Storm
- Laser Tag
Source & timing
Verified Verified — a reviewed claim with a dated source As of 2025-12-22 Mariner of the Seas — Royal Caribbean International Fast Facts
Royal Caribbean International · Voyager class
Mariner of the Seas
3.0 times the size of the Titanic
Royal Caribbean International - Guests
- 3,344
- Gross tonnage
- 140k GT
- Built
- 2003
- Length
- 1,020 ft
Start here
The quick read
This ship’s personality profile is still being filled in. Its verified specifications and published guide details are ready below.
≈4,544 peopleguests + crew — a small town, entirely at sea
1,020 ftlonger than the Titanic (882 ft long)
3.0× Titanicby gross tonnage
15 decksa 15-story tower that floats
Official ship photography
See Mariner of the Seas
Published press imagery, shown only after storage, rights and publication review.
Ship guide
What’s on board
Food, activities, entertainment, cabins and accessibility.
Amenities
- Other amenities: Casino Royale
- Conference Center
- Jogging Track
- Library
- Medical Center
- Mini Golf
+15 more details
- Outdoor Movie Screen
- Photo Gallery
- Pools
- Rock Climbing Wall
- +7 more
- Bars and lounges: Boleros
- Barnacle & Barrel
- Plaza Bar
- Pool Bar
- Schooner Bar
- Sky Bar
- Solarium Bar
- Star Lounge
- The Bamboo Room
- Viking Crown Lounge
Source & timing
Verified Verified — a reviewed claim with a dated source As of 2025-12-22 Mariner of the Seas — Royal Caribbean International Fast Facts
Dining
- Specialty: Chef's Table
- Chops Grille
- Izumi
- Jamie's Italian
- Johnny Rockets
- Playmakers Sports Bar & Arcade
+5 more details
- Starbucks
- Complimentary: Boardwalk Dog House
- Café Promenade
- Dining Room
- Windjammer
Source & timing
Verified Verified — a reviewed claim with a dated source As of 2025-12-22 Mariner of the Seas — Royal Caribbean International Fast Facts
Youth programs
- Programs and spaces: Adventure Ocean
- Arcade
- Fuel Teen Disco
- Sky Pad
- The Back Deck
- The Living Room
Source & timing
Verified Verified — a reviewed claim with a dated source As of 2025-12-22 Mariner of the Seas — Royal Caribbean International Fast Facts
Ship guide
What’s changing
Debuts, construction milestones and time-sensitive updates.
Entered service
- Date: 2003-11-16
- Basis: official maiden voyage
- Status: in service
Source & timing
Verified Verified — a reviewed claim with a dated source As of 2025-12-22 Mariner of the Seas — Royal Caribbean International Fast Facts
Numbers at a glance
Specifications
- Double-occupancy capacity
- 3,344
- Space ratio · derived
- 41.8 GT per guest
- Gross tonnage
- 139,863 GT
- Length
- 1,020 ft
- Beam
- 127 ft
- Decks
- 15
- Crew
- 1,200
- Year built
- 2003