The water park is at 2225 E. Shaulis Road, Waterloo, Iowa 50701 The theme park is at 2600 E. Shaulis Road, Waterloo, Iowa 50701 Kate Kealey is a general assignment reporter for the Register.

An Iowa water park recently made USA TODAY'S 10BEST Readers' Choice Awards list as one of the best in the country.. Lost Island Waterpark in Waterloo cracked several of USA TODAY's top 10 lists ...