Waterloo / Lost Island Waterpark KOA

4550 Hess Rd

Waterloo, IA 50701

Reserve: 800-562-2483

Info: 319-233-3485

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ft. long
Do not include the length of your tow or pull vehicle.
Yes     No    
Yes     No     KOA Pet Policy

Free Night May 10!

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KOA Care Camps

Our KOA Album Photos

  • Store/Check-In
  • C-Store
  • Night Registration
  • Three Lodges
  • Lake
  • Swimming Beach/Lake
  • Partially Enclosed Pavilion
  • Pavilion Interior
  • Open Shelter
  • Themed Playground
  • Themed Playground
  • Kamp K9 Dog Park
  • Disc Golf
  • Bath house
  • Shower House 2

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