Island Waterpark Ticket Now - December 31, 2025 NEW! Preferred, Prime and Reserve Cardholders receive 1 FREE Island Waterpark ticket.* Island Waterpark is the world's largest beachfront indoor waterpark, offering a year-round 84-degree tropical climate, 11 exhilarating water slides, a swim-up bar, and more. Ocean Rewards Members can redeem at the Island Waterpark Ticket Desk with valid I.D. and Ocean Rewards Card. Your waterpark adventure is just a splash away! Please check the Island Waterpark website for days and hours of operation: Visit Island Waterpark *Offer is valid March 6 - December 31, 2025. Members receive 1 ticket per calendar year. Must be 21 or older. Bet with your head, not over it. Gambling Problem? Call 1-800-GAMBLER. Back to all offers