There is a staircase within the casino that goes up one deck to the Royal Promenade, right outside the Bamboo room.

You don’t have to go far for a drink as the casino also has its own bar.

Both the nearby Schooner Bar and Boleros Bar often have live music. You’ll find the Schooner Bar and Izumi Sushi (one of the specialty restaurants) on one end and Boleros Bar and Starbucks on the other end. The Mariner of the Seas casino is located on deck 4 in the middle of the ship. The casino was open however when we were at Perfect Day at Coco Cay, their private island. They are closed while at most ports and are open until late at night. They first open once they reach international waters, which isn’t too long after sail away. Royal Caribbean International casinos operate pretty much the same hours as other cruise lines. For more information please see the Disclosure page. As an Amazon Associate I earn from qualifying purchases. If you click a link and make a purchase I may receive a small commission at no extra cost to you. The minimum age to play in the casinos on Royal Caribbean ships is 18 unless it is an Alaska sailing, in that case it’s 21. The casinos on Royal Caribbean cruise ships are called Casino Royale and offer thousands of square feet of games. Mariner of the Seas is one of the cruise ships in Royal Caribbean’s popular voyageur class. That’s what’s great about cruising, everyone can do what they want and still have an amazing time. I know lots of people will say they don’t step foot in a cruise ship casino, but for many people it is a big part of their cruise vacation. This article is all about Royal Caribbean’s Mariner of the Seas Casino.

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