When Does Splish Splash Open 2024. Save with splishsplash.com discount codes. This summer package includes discounted admission to splish splash water park, discounted train ticket and a suffolk transportation bus ride to and from ronkonkoma station.

— there’s less than 75 days until one of the first signs of summer returns to long island, the opening of splish splash water park. As the team looks ahead to opening day, the park is looking to fill 800 positions.