Who’s ready for the Wisconsin Dells to get even wetter, wilder, and way more fun? Kalahari Resorts just announced an $85 million indoor waterpark expansion that’s guaranteed to make every family trip unforgettable—whether you’re chasing thrills or just trying to keep your kids from cannonballing into the hot tub.

The Kalahari Resorts and Conventions in Wisconsin Dells is adding an $85 million expansion to its indoor waterpark that is slated for completion in the fall of 2026.

On Thursday, Jan. 9, Kalahari Resorts & Conventions announced it is expanding its water park with construction underway and an opening set for fall 2026. The glass-enclosed, open-air water park will have a retractable roof and will be home to three new water slides. The 75,000-square-foot indoor water park expansion cost $85 million.

Kalahari Resorts is undertaking an $85 million expansion, adding a 75,000-square-foot indoor waterpark.

Kalahari Resorts & Conventions is reinforcing its title of America’s Largest Indoor Waterparks with an exciting $76 million, 75,000-square-foot in