For fun in the sun this summer, look no further than Iowa’s three largest outdoor water parks with an assortment of amenities sure to please everyone.

The Lost Island in Waterloo welcomes approximately 100,000 guests each summer. But the waterpark is so big that visitors don’t realize just how many others are there.

“Our guests cannot believe that our waterpark is in Iowa because of the theme, the caliber of rides and its size,” said Eric Bertch with The Lost Island. 

Guests also love the cleanliness of the park, the friendliness of the staff and the additional features nearby, including the zipline, go karts, mini golf and arcade, he said. A few of the highlights ...