Long Island Attractions - Things to Do in Long Island | Splish Splash Water Park amusement park, water rides, water ride, water park, waterpark, fun, best water park, best waterpark, summertime fun, summer fun, theme park, biggest water park, biggest waterpark, swimming, wave pool, waves, flow rider, flowrider, surf pool, water slides, public swimming pools, splash, family fun, fun, new york, new jersey Featuring 96 acres of family fun, including wave pools, a lazy river, a tropical bird show and much more. Splish Splash offers fun for everyone!