Lost Island Waterpark
A top-notch experience awaits at Lost Island Waterpark.
You’ll be greeted with a smile by the amazing staff as soon as you enter the gate. Rent a cabana or pavilion to store your things, take a break from the sun, or gather your group. Then hit the rides and attractions – from the relaxing lazy river to the exciting water coaster, there’s fun for all ages and thrill levels.

Be sure to hit the family raft ride, Calypso Cascade. It seats up to five and has plenty of fast turns with high banks but is tame enough for young children to enjoy. If water slides are your jam, the Tangerine Tempest is a must-try. Launch into a huge, 45-foot diameter bowl then swirl around in circles before being flushed into a splash pool. There’s also a nice viewing area, perfect for selfies and group pics!

Take a break to recharge and rehydrate at one of Lost Island Waterpark’s food and drink areas. The Tree Top Cafe offers rice bowls, tacos, burritos, and more. At the Castaway Café, you can find grilled burgers, hotdogs and chicken. Three additional food and beverage options are located throughout the island, offering sweets like ice cream, smoothies and funnel cake, and drinks for adults like Pina Coladas and craft beers.
Need a break from the water? Visit Lost Island’s Adventure Golf and Go-Karts facility just outside the waterpark. Monaleo Adventure Golf features two challenging 18-hole courses lined with native vegetation, volcanoes, rapids, dinosaur fossils, and a skull pit! Feed your need for speed and test your racing ability at Monaleo’s Speedway, one of the longest go-kart tracks in the Midwest.
The waterpark is open daily all summer from 10:30am-6:30pm with golf and go-karts open from 2:00-9:00pm

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Lost Island Waterpark & Lost Island Themepark2225 East Shaulis Road
Waterloo, Iowa 50701
United States
2225 East Shaulis Road Waterloo, Iowa 50701 (319) 233-8414 Website