Cruise ship casinos compared

Many of the world’s biggest cruise lines are part of the Ocean Players Club – it has something for gamblers of all levels, from awards for playing slot machines through to credit lines and raised betting limits for high-rolling gamblers. Players can also earn points towards complimentary beverages, free gifts, future cruise benefits and even cash back rebates on future cruises. These rewards are redeemable on Carnival, including Holland America, Princess, Cunard, Costa, Windstar and Seabourn Cruises.

Carnival cruise line has blackjack tables with a $5 and $10 minimums, rising to a $25 minimum and $500 maximum stake.

Norwegian Cruise Lines s Casino offer baccarat, blackjack, craps, roulette, Caribbean stud poker, 3-card poker, Texas Hold 'em and 24-hour slot machines.

Royal Caribbean's newest ships, Liberty of the Seas and Freedom of the Seas, have Las Vegas-style casinos which are among the largest at sea, with 19 gaming tables, and just over 300 slots . The line's five Voyager class ships -- Mariner of the Seas, Voyager of the Seas, Navigator of the Seas, Explorer of the Seas, and Adventure of the Seas carry 16 gaming tables and just under 300 slots.