310 water parks in 44 states, listed by state, each checked against its official website. This is not every water park in the country. Page 6 of 16.
Splash Cove has closed for the 2026 season and expects to reopen in 2027. Park district aquatic center in Decatur with four slides, a lazy river and a leisure pool with a play structure. It sells daily admission and season passes and has closed for the 2026 season.
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View park detailsThe 2026 season has ended; the park plans to reopen for the 2027 season on May 29. Outdoor summer water park inside Knight's Action Park in Springfield, Illinois, with a wave pool, slides, a lazy river and a surf ride. The 2026 season has ended; 2027 opens May 29.
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View park detailsThe site says Splash Valley closed for the 2026 season on Sunday, August 30, 2026. Park district outdoor water park in Kankakee, Illinois, with body and tube slides and a kids play structure. Daily admission or a season pass; the 2026 season ended August 30.
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View park detailsThe published 2026 season ended September 7, 2026. Check the official calendar for the next season. Park district outdoor aquatic center in Cary, Illinois, with body flume slides, a drop slide and diving boards. It runs a summer season, and daily admission costs less for district residents.
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View park detailsThe published 2026 season ended September 7, 2026. Check the official calendar for the next season. Park district water park in Vernon Hills, Illinois, with slides, a lazy river, pools and a sprayground. Open in summer with a daily fee or a season pass; residents pay less.
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View park detailsPark district outdoor water park in West Chicago, Illinois, open in summer. Daily admission is sold, with lower prices for district residents and after 5pm.
Daily $12 resident / $15 non-res
View park detailsThe park says it is closed for the season and will see visitors again in 2027. City-run outdoor water park in New Albany, Indiana, with slides, a lazy river and a toddler pool. Daily entry is priced by residency; the 2026 season has ended.
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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 aquatic park at TPA Park in Frankfort, Indiana, open in summer from Memorial Day weekend to Labor Day. Visitors pay a daily entry fee or buy a season pass.
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View park detailsCity-run public water park in Marion, Indiana, with a lazy river, wave pool and slides. It is seasonal, open from Memorial Day weekend to mid-August, then weekends only.
Adults $10, children 3-17 $8
View park detailsSplashin' Safari is the water park at Holiday World in Santa Claus, Indiana. One daily ticket covers both parks and includes free parking, soft drinks and sunscreen.
Included with Holiday World ticket
View park detailsWater park inside Adventureland in Altoona, Iowa, with slides, a wave pool, a lazy river and kids' play areas. Entry comes with an Adventureland ticket in its operating months.
Included with Adventureland ticket
View park detailsThe 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.
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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.
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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.
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View park detailsIndoor resort water park at Great Wolf Lodge in Kansas City, Kansas, heated year-round. Overnight guests get access, and full-day and half-day passes are sold.
Day passes from $35
View park detailsKenwood Cove is closed for the 2026 season; the city points visitors to information about the 2027 season. City-run outdoor water park in Salina with body and tube slides, a lazy river and a kids area. It opens each summer from late May to mid-August and paid admission is required.
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View park detailsCity-run outdoor water park in McPherson with a 500-foot lazy river, a giant slide, a zero-entry pool and a children's splash pad. It is a summer facility with daily admission and season passes.
Daily admission, ages 0-2 free
View park detailsThe published 2026 season ended August 9, 2026. Check the official calendar for the next season. County-run outdoor aquatic center in Topeka, Kansas, with a wave pool, a five-slide tower and a kids leisure pool. It opens for a summer season only.
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