2 listed water parks within 50 miles of the St. Louis, Missouri city center (U.S. Census reference point), nearest first. 1 park is in a neighboring state. Distances are straight-line miles, not driving distances. Parks without a confirmed map point are not included.
The park lists September 7 as the end of its season without giving a year; that date has passed in 2026. Check the official website for next season's dates. City-run outdoor water park at Memorial Park in Webster Groves with three pools, a stand-up slide and a small lazy river. It runs in summer, and non-residents can pay daily admission.
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View park detailsThe park's published season ends on Labor Day (September 7 in 2026) each year, so its 2026 season is over. Check the official website for next season's dates. City-run water park in Collinsville, Illinois, formerly called Splash City, with slides, a lazy river and a play structure. It opens each summer; daily admission is sold at the ticket booth.
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