Plan a getaway they'll never forget at America's Largest Indoor Waterparks. Make the short drive and join us for the ultimate family vacation. From toddlers to teens and moms to dads, everyone finds their oasis at Kalahari Resorts & Conventions in Sandusky, OH. The getaway boasts hair-raising waterslides, world-class spas, kids' play areas, and diverse dining options. Go ahead, make everyone's day.