27 water parks listed in Illinois: 2 indoor, 23 outdoor, 1 with indoor and outdoor areas, 1 with the setting not recorded. 2 resort parks with confirmed day passes; 19 parks with a current status notice. Counts include only parks we could check on an official website. Page 2 of 2.
The park says it is closed for the 2026 season and will reopen next year. Park district outdoor water park in Aurora, Illinois, with a long lazy river and two tube slides. Tickets are sold online and at the gate; it has closed for the 2026 season.
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View park detailsSplash 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
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