Mariner of the Seas combines classic Royal Caribbean features with modern upgrades. Guests can enjoy attractions such as the FlowRider®, Sky Pad® and Royal Promenade, alongside a wide choice of dining. A great option for UK cruisers seeking fun and variety.
Crew
1200
Passengers
4000
Currency
USD
Decks
14
Language
English
Length
311
Launch Date
2003
Refurbishment Year
2018
Mariner of the Seas serves up a seriously satisfying mix of flavours, from laid-back bites to standout speciality dining. Enjoy premium steaks and seafood at Chops Grille, rustic Italian favourites at Jamie’s Italian, and fresh sushi rolls at Izumi. Playmakers Sports Bar & Arcade is a must for burgers, wings and big-match energy, while Windjammer keeps things easy with a global buffet selection. The Main Dining Room delivers classic multi-course dinners each evening, and Café Promenade is always on hand for coffee, pastries and late-night snacks. Whether you’re grabbing something quick or settling in for a full evening meal, dining here feels varied, lively and full of choice.
Mariner of the Seas is built for fun, with a line-up that keeps the pace high from morning to night. Ride the waves on the FlowRider surf simulator, challenge friends to glow-in-the-dark laser tag in Battle for Planet Z, or crack codes in The Observatorium escape room. There’s also a Rock Climbing Wall, mini golf and a lively pool deck perfect for soaking up the sunshine. Evenings bring live music, shows in the Royal Theatre and buzzing social spaces across the ship. It’s the kind of ship where every day feels active, social and packed with things to try.
Mariner of the Seas is ideal for families, couples and groups looking for a fun, high-energy cruise with plenty going on. It’s especially popular for shorter Caribbean getaways, where guests want maximum entertainment in a few days. Families will love the range of activities, while couples and groups can enjoy the lively bars, dining and social atmosphere. It’s also a great choice for first-time cruisers who want a strong introduction to Royal Caribbean’s signature style.
As a Voyager Class ship, Mariner of the Seas offers a well-balanced layout that’s easy to navigate while still delivering plenty of choice. Accommodation includes Interior, Ocean View, Balcony and Suite categories, giving options for all budgets. Facilities include pools, whirlpools, a Vitality Spa, fitness centre and sports areas. The Royal Promenade acts as the social hub, lined with shops, bars and cafés. Wi-Fi is available throughout, and the Royal Caribbean app makes it simple to plan dining, activities and entertainment during your cruise.
Mariner of the Seas sails in the Caribbean, with itineraries often including Perfect Day at CocoCay and Nassau as well as popular Mediterranean destinations such as Spain and Greece. These cruises offer a balance of beach relaxation and onboard excitement.

Come aboard the undefined and discover one of 119 cabin categories on a total of 14 decks that can accommodate 4000 passengers. Choose your dream cabin and feel at home on board the undefined!
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Customer reviews for Mariner of the Seas
Ship
1.9
Gastronomy
2
Service
2.1
Entertainment
0.8
Cabin
2.3
Sport
2