Indoor waterparks allow families to enjoy water-based activities no matter the season, providing year-round excitement. From thrilling slides to lazy rivers, these top indoor waterparks across the U.S. offer something for everyone.
OKANA Resort & Indoor Waterpark – Oklahoma City, OK
Opened in early 2025, OKANA Resort boasts a 100,000-square-foot indoor waterpark with a surf simulator, lazy river, 15 slides, and an adults-only hot tub. The multi-level play structure, Splash Falls, and Wild Rapids waterslide make it a must-visit. Guests can enjoy day passes or stay at the resort for premium amenities.
Wilderness at the Smokies – Sevierville, TN
Tennessee’s largest indoor waterpark, Wild WaterDome, features the newly expanded Kaleidoscope Kaverns Lazy River and Ridge Runner, a one-of-a-kind Reverse AquaLucent slide. Sunbathe under the see-through roof or experience the Storm Chaser Thrill Ride’s 55-foot drop.
Great Wolf Lodge – Multiple Locations
With over 20 resorts nationwide, Great Wolf Lodge is a leader in indoor waterpark experiences. Their 84-degree indoor waterparks feature lazy rivers, surf simulators, and themed water playgrounds. Locations vary in size, with Niagara Falls offering a 100,000-square-foot indoor waterpark, among the largest in the chain.
Mt. Olympus Water & Theme Park Resort – Wisconsin Dells, WI
This resort is home to Medusa’s Slidewheel, the nation’s first rotating waterslide, along with heated pools, a lazy river, and a Roman-themed hotel. Guests staying in Hotel Rome enjoy direct access to the indoor waterpark.
Zehnder’s Splash Village – Frankenmuth, MI
Boasting a retractable roof, Zehnder’s features a 50,000-square-foot indoor waterpark with a four-story Super Loop Speed Slide, six-story raft rides, and water play zones for all ages. The hotel offers an arcade and free movie nights for added entertainment.
Jay Peak Resort – Jay, VT
Ski by day and splash by night at Jay Peak’s Pump House indoor waterpark. Featuring a lazy river with rapids, an activity pool, and the thrilling Double Barrel Flowrider surf simulator, this Vermont resort is a winter vacation gem.
Massanutten Resort – McGaheysville, VA
A top adventure resort, Massanutten’s indoor waterpark includes body slides, a water fortress, and a surf simulator in an 84-degree setting. Dining options within the park ensure all-day fun without leaving the action.
Kartrite Resort & Indoor Waterpark – Monticello, NY
New York’s largest indoor waterpark boasts a transparent texlon roof for natural sunlight and features thrilling slides, a wave simulator, and family-friendly attractions. The resort offers additional activities like archery, hiking, and an indoor obstacle course.
Kalahari Resorts – Multiple Locations
With locations in Wisconsin, Texas, Ohio, and Pennsylvania, Kalahari Resorts are known for their African-themed indoor waterparks. The Poconos location features a VR waterslide, while Round Rock has a swim-up bar. A new Virginia location is set to open in 2026.
Silver Mountain Resort – Kellogg, ID
This resort features a lazy river, slides, play areas, and a surfside bar. Day passes are limited, making an overnight stay at the Morning Star Lodge the best way to guarantee access.
These top indoor waterparks offer unforgettable experiences, ensuring family fun regardless of the season. Plan your next adventure today!
