The Iowa Great Lakes Association supports the following local organizations:
- Okoboji Protective Association
- Spirit Lake Protective Association
- East Okoboji Lakes Association
- Center Lake Improvement & Preservation
- Water Safety Council
- Clean Water Alliance
- Iowa Lakeside Lab
- Dickinson County Taxpayers
- Iowa Great Lakes Chamber
- Spirit Lake Chamber
- Milford Commercial Club
- Pearson Lakes Art Center
- Maritime Museum
- Okoboji Yacht Club
- Artslive
- Dickinson County Nature Center (Conservation Foundation)
- Okoboji Summer Theatre
- Arnolds Park Amusement Park (Historic Arnolds Park Inc)