• Entered service
    2003
  • Tonnage
    138000
  • Wheelchair Accessible Cabins
    27
  • Number of Decks
    14
  • Number of Elevators
    14
  • Number of Pools
    3
  • Number of Restaurants
    11
  • Kids Club
    Yes
  • Maximum Capacity
    4,001
  • Number of Crew
    1,215
  • Refurbished
    2025
  • View cruises

Mariner of the Seas

Royal Caribbean’s Mariner of the Seas is a sensational cruise ship with something for everyone to enjoy, making it the perfect destination for your ultimate family cruise adventure. Sailing to some of the most exciting places around the world, Mariner of the Seas is overflowing with exciting activities and entertainment; from the FlowRider surf simulator and breathtaking shows in Royal Theater to the challenging rock climbing wall and more, every type of traveller will find something thrilling onboard. You’ll also have the chance to enjoy sensational cuisine from around the world while cruising with Mariner of the Seas; this ship is home to a variety of restaurants, with both casual spots and formal dining venues. No matter which sensational sailing you embark on, an adventure with Mariner of the Seas will be one to remember.


Exciting news! In 2027, Mariner of the Seas will be sailing throughout Europe from Southampton. Explore our dedicated Mariner of the Seas summer 2027 collection here and book now for early bird savings and £1 deposits on selected sailings!


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Onboard Activities

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Children's Facilities (10)

Cruising aboard Mariner of the Seas is fun for the whole family, and you’ll find a fantastic selection of activities and amenities for younger guests to enjoy onboard. With Royal Caribbean’s award-winning Adventure Ocean available, every day at sea will be a delight – arts and crafts, dance parties, and friendly competitions are all part of what you have to look forward to here.

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Swimming (3)

If you’re looking for somewhere to soak when the sun is shining, you’re in luck; Mariner of the Seas is home to multiple pools and water-based activities, including an adults-only Solarium space, a surf simulator, and thrilling waterslides!

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Restaurants (12)

Royal Caribbean’s Mariner of the Seas is home to an incredible variety of dining venues, from casual buffet-style restaurants and poolside spots for light bites to formal fine dining venues where each multi-course meal is exquisite. Those after a traditional cruise dining experience will find that too, meaning there’s something for everyone to enjoy onboard.

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Entertainment (29)

From the moment you wake up on Mariner of the Seas, you’ll have a fantastic range of entertainment to choose from; whether you want to spend your sea days chilling poolside or engaging in something a little more active, there’s something for everyone to enjoy onboard.

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Bars & Lounges (12)

Mariner of the Seas is home to a fantastic range of bars and lounge spaces, with plenty of places for socialising and sipping flavourful drinks. With some venues featuring live music and entertainment, every evening onboard is sure to be an unmissable event.

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