Some cruises have specific dress code and other requirements, and some have only certain games available, so when you book your trip, make sure you book the exact cruise you want. Casinos near Charleston, SC Big M Casino - Little River Aquasino Emerald Princess II Casino Cruises Jacksonville Greyhound Racing Park and Bestbet Poker. However, for the time being at least, gambling is still available to those over 21 who don’t mind a short boat ride. In recent years, the South Carolina government has been debating the legality of casino cruises. On a South Carolina casino cruise ship, you can find blackjack, poker, slots, craps, roulette, video gaming, and more, so there’s a little something for everyone aboard these ships. These cruises travel about three miles from the South Carolina coast into international waters where gambling is legal. Gambling is prohibited in this state in most cases, so instead, gamblers must book a trip a trip on one of South Carolina’s two casino cruises. South Carolina doesn’t have typical casino options.