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 12 of 12. Indoor or outdoor?
The 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 water park at Midway Speedway Park in Rehoboth Beach, Delaware, next to go-karts and mini golf. All-day and twilight water park tickets are sold separately.
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View park detailsThe published 2026 season ended October 11, 2026. Check the official calendar for the next season. Outdoor water park in Irvine with a wave pool, lazy river and kids play areas. In fall 2026 it opens on weekends only, through October 11.
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View park detailsThe water park closed for the 2026 season after September 7; the theme park stays open for fall events. Outdoor water park inside a combined theme and water park south of Seattle. One admission ticket covers both parks, and the water park runs only in the summer season.
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View park detailsThe 2026 schedule lists August 12 as the last day of the season. City-run outdoor water park in Watford City with a double tower slide and a zero-depth kids area. It runs a summer season and sells day passes.
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View park detailsWater park inside the Six Flags Frontier City theme park in Oklahoma City. Entry comes with a Frontier City park ticket; there is no separate water park ticket.
Included with Frontier City ticket
View park detailsSevierville resort with a year-round indoor water park and two outdoor water parks. Water park admission is included in the room rate for overnight guests.
Included with stay; day passes sold
View park detailsOn September 30, 2026 the park's website listed the water park as closed; its 2026 season is over. Outdoor water park inside the Michigan's Adventure theme park near Muskegon. Entry is included with a park day ticket or season pass, and it runs in the summer.
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View park detailsOutdoor summer water park inside Dorney Park in Allentown, Pennsylvania. Entry is included with a Dorney Park ticket or season pass; cabanas are reserved separately.
Included with Dorney Park ticket
View park detailsThe published 2026 season ended August 16, 2026. Check the official calendar for the next season. Park-district outdoor pool in Heppner called a water park, with a water slide and a shallow kiddie play area. It opens for a short summer season with daily rates.
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View park detailsCounty-run outdoor water park in Willson’s Woods Park, Mount Vernon, NY, with a wave pool and two slides. Entry requires proof of Westchester County residency.
County residents only
View park detailsThe park lists August 15 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 in Woodland Park, Kalispell, Montana, with two slides and a lazy river. Summer only, with lower fees for city residents.
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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. 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 detailsThe published 2026 season ended September 7, 2026. Check the official calendar for the next season. Seasonal outdoor water park in East Durham in the New York Catskills with a wave pool, lazy river, raft ride and bowl slide. Day passes, season passes and cabanas are sold online.
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View park detailsZoombezi Bay has closed for the 2026 season and plans to reopen in May 2027. Outdoor water park next to the Columbus Zoo in Powell, open Memorial Day to Labor Day. A one-day ticket also gets you into the zoo. It has closed for 2026 and reopens in May 2027.
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