Thrill-seekers, sunbathers, and night owls, prepare for a tsunami of fun! ISLAND Waterpark, the world's largest indoor beachfront waterpark, is set to make waves at The Showboat Resort in Atlantic City on June 30th, 2023. Featuring 11 exhilarating slides, a 1,000-square-foot surf simulator, and exclusive nightlife for adults, this $100 million development is about to transform the famed Atlantic City Boardwalk into a family-fun paradise.