With 35, square feet of casino floor, Resorts Casino Tunica is the Mississippi Delta's gaming destination. Come in and play your favorites, or find a new game. Use real guest reviews to book Resorts Casino Tunica, Robinsonville with confidence. Earn free nights & get our Price Guarantee on Resorts Casino Tunica. Resorts Casino Tunica, formerly Southern Belle Casino and Harrah's Tunica Mardi Gras Casino, is a room hotel and a 35,square-foot (3, m 2) casino located in Tunica Resorts, Mississippi.