234 parks in 43 states. 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. Page 10 of 12. Indoor or outdoor?
The 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 detailsSuperior Shores Waterpark is closed for the 2026 season and plans to return in 2027. Outdoor water park inside the Valleyfair theme park in Shakopee, new in 2026. Entry is included with Valleyfair admission, and it runs in the summer season.
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View park detailsThe park is closed for the 2026 season. Outdoor summer water park at Lake of the Ozarks in Linn Creek, Missouri, with a wave pool, lazy river and mat racer. It runs Memorial Day weekend to Labor Day and has closed for 2026.
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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 outdoor water park in Moses Lake, Washington, open in summer. Every visitor needs a signed digital waiver on the day of entry; day passes, punch cards and season passes are sold.
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View park detailsThe city says The Bay is closed for the 2026 summer season. City-run outdoor aquatic park in Broomfield with body slides, race slides, a play structure and a toddler pool. It is a summer facility, and entry needs a session ticket reserved online in advance.
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View park detailsThe published 2026 season ended September 7, 2026. Check the official calendar for the next season. Outdoor water park inside Hersheypark in Hershey, Pennsylvania, with 16 water attractions. Entry is included with every Hersheypark ticket, and it opens only in summer.
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View park detailsThe water park is closed for the season. Outdoor seasonal water park in Paso Robles, California, selling day tickets and season passes. The 2026 season ended on September 13.
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View park detailsThe published 2026 season ended September 7, 2026. Check the official calendar for the next season. Summer water park run by the Fairfax County Park Authority at Lake Fairfax Park in Reston, Virginia. Day tickets are sold online in advance or at the gate, with lower prices for county residents.
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View park detailsFamily-owned water park with a safari zoo, go-karts and bumper boats in Port Clinton, Ohio. Daily tickets are sold online and at the gift shop ticket desk.
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View park detailsThunder Lagoon is closed for the 2026 season; mini golf, go-karts and food stay open into the fall. Outdoor seasonal water park in Fenwick Island, Delaware, with six slides and a 400-foot lazy river. Timed two-hour tickets are sold at the gate, and parking is free.
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View park detailsThe home page says the water park is closed for the season. Seasonal outdoor water park on Long Beach Island with tube slides, a lazy river, a FlowRider and kids splash areas. It sells all-day and timed admission; it is closed for the season.
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View park detailsClosed for the 2026 season; the park plans to reopen May 29, 2027. Outdoor lake-based water park in Sparta, New Jersey. Park admission covers the beach and kiddie areas; the water slide wristband costs extra. Closed until May 29, 2027.
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View park detailsIndoor water park under a convertible glass roof, with an outdoor wave pool and surf simulator, next to a theme park at OWA in Foley. General admission tickets and season passes are sold.
Day tickets vary by date
View park detailsThe aquatic center is closed for the 2026 season and expects to reopen in 2027. Seasonal outdoor aquatic center inside Lower Huron Metropark with two waterslides and a lazy river. Visitors pay per person, and a Metroparks vehicle pass is needed to drive into the park.
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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 published 2026 season ended September 20, 2026. Check the official calendar for the next season. Seasonal outdoor water park in Pflugerville near Austin with slides, a lazy river and a kids area. It sells any-day and choose-your-day tickets; the 2026 calendar shows the last open day as September 20.
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View park detailsThe published 2026 season ended September 20, 2026. Check the official calendar for the next season. Outdoor summer water park in Katy with water slides, a lazy river, a kids area and cabanas. It sells any-day and choose-your-day tickets plus season passes.
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View park detailsThe published 2026 season for the aqua park ended October 11, 2026. Check the official calendar for the next season. Outdoor lakefront water park in Woodland, California, with a floating aqua park, cable wakeboarding and a swim beach. Aqua park sessions are booked online; fall 2026 opening is weekends only.
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View park detailsOutdoor water park in Eddyville, Kentucky with several tower slides and pay-one-price day admission based on height. It also sells season passes and half-price PM Splash tickets.
Day tickets $32; under 54 in $26
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