5 parks in Iowa with outdoor water-park areas, from 5 operators. Outdoor and indoor-plus-outdoor water parks. Outdoor areas are seasonal; many close after Labor Day or by early October and publish next season’s dates in spring.
The aquatic center is closed for the season; its last day was August 16. City outdoor aquatic center in Carlisle, Iowa, with a drop slide and other slides. Daily admission is $5; the 2026 season has ended.
Check official prices
View park detailsThe city says Cascade Falls is closed for the 2026 season and will reopen next May. City-run outdoor aquatic center in Ankeny, Iowa, with a FlowRider surf machine, lazy river, drop slide and tube slides. It opens each summer, with daily admission or season passes.
Check official prices
View park detailsOutdoor summer water park in Waterloo, Iowa, next to the separate Lost Island Themepark. Waterpark day passes are sold online and at the gate; combo passes cover both parks.
Day pass $32-$36 online
View park detailsCity-run outdoor aquatic center in Muscatine with five slides, including two drop slides, and a children's play structure. Daily admission and season passes are sold in summer.
Youth $4, adult $5
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. Outdoor YMCA water park in Bettendorf, Iowa, open in summer. Local YMCA members get in with membership; anyone else buys a day pass at the front window.
Check official prices
View park details