Owner: Platinum Holdings, LLC
Size: 25,000 square feet
Staff:50, peak season
Grand Harbor Resort in Dubuque, Iowa, has 194 rooms with a 25,000-square-foot indoor waterpark, themed for the nearby Mississippi River. Waterpark features include slides, a giant play
structure, a lazy river, two activity pools and two hot tubs.
There’s also an arcade and a Tony Roma’s restaurant on
site, and the hotel is connected to a 120,000-square-foot
convention center, which it operates for the city. Every Friday and
Saturday the waterpark hosts Splash Bash, featuring a live,
interactive DJ and poolside games, plus activities in the
WaterSquirts Kids Club room.