Planning a trip to the best water park on Long Island? Well, if you are headed to Splish Splash then be sure to print your coupon to get $3 off admission! Voted one of the Best Water Parks in America by the Travel Channel! Splish Splash, Long Island's Water Park with its 96 exciting acres of fun, is the perfect choice for your next birthday party, family reunion, and group outing. Our variety of entertainment, excellent water safety ...