You don't have to stick to gambling in casinos on land — you can place your bets on a casino cruise as well. Here's a look at four of the best cruise ships for those who love slot machines, roulette wheels and casinos in general.

Sunborn Superyacht Hotel and Casino

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This first casino cruise is for people who might not want to commit to a full-on cruise or that don't have a ton of free time. The Sunborn Superyacht Hotel and Casino is a large, glamorous cruise ship that stays docked in Gibraltar and allows passengers to enjoy luxurious hotel accommodations as well as a full-fledged casino, complete with 58 slot machines, four card tables, three poker tables and three tables where you can play roulette. There are regular tournaments to play in and beer, wine and other spirits on tap, so there is something here for both serious and not-so-serious gamblers.

Royal Caribbean Casino Royale

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Royal Caribbean is one of the top names in cruise ships, so it no surprise that it has a cruise that will appeal to your inner gambler. Billed as a "little slice of Vegas right at sea," this ship has thousands of square feet of slot machines and card tables. Some of the games available include poker, baccarat, roulette, craps, Texas hold 'em, blackjack and even video slots. You can play a few games for fun or compete in one of several different tournaments to become a big winner as you sail the high seas. You can join Royal Caribbean's rewards program and use your SeaPass to earn points on the cruise as well, which can lead to great prizes and other awards — not to mention complimentary drinks.

Norwegian Escape

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If slot machines are your game, Norwegian Escape is the cruise ship for you. It has a huge, glamorous casino with 318 slot machines and 28 tables where you can play everything from poker and craps to roulette and baccarat. Table bets range from $5 to $5,000, but if you're a high-roller, you can book a spot in the V.I.P. room where you can bet even more. The slot machines range from a penny to $100 to play. Last but not least, you can earn rewards points through the Casinos at Sea Reward Program to put toward future Norwegian cruises.

Queen Mary 2

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The Queen Mary 2 might be a bit smaller than other ships on this list, but what it lacks in size it makes up for in sophistication and an intimate, homey atmosphere. This luxury cruise ship has 99 slot machines to play and nine other tables for games like blackjack, roulette, Texas hold 'em and poker. Another thing that makes the casino on this cruise unique is that while there are plenty of games for serious or professional gamblers, there are also instructors who give lessons to those who are just learning how to play. As if that wasn't enough, this ship also has live music and children's facilities so that your children can have fun playing their games while the grown-ups play their own in the casino.