Nonprofits in Okoboji, Iowa

Nonprofits in Okoboji, Iowa. Browse 22 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.

Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.

Nonprofit profiles

  1. Ancient Free & Accepted Masons of Iowa

    EIN 237503038 · Headquarters: Okoboji, IA, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  2. Arnolds Park Okoboji Fire and Rescue Association

    EIN 680668208 · Headquarters: OKOBOJI, IA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Bauman Charities Inc

    EIN 814072310 · Headquarters: Okoboji, IA, US · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  4. Christmas Leprechauns Inc

    EIN 475673150 · Headquarters: OKOBOJI, IA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Conservation Foundation of Dickinson County

    EIN 364166056 · Headquarters: Okoboji, IA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Dwight and Marilyn Conover Foundation

    EIN 263868563 · Headquarters: OKOBOJI, IA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  7. Harley Owners Group of Okoboji Inc

    EIN 462314721 · Headquarters: Okoboji, IA, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  8. Iowa Great Lakes Beautification Pro

    EIN 831898171 · Headquarters: OKOBOJI, IA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  9. Iowa Great Lakes Rotary

    EIN 426039388 · Headquarters: OKOBOJI, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. Lake Area Christian Radio Corp

    EIN 421458104 · Headquarters: Okoboji, IA, US · Religion Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  11. Lakes Area Dog Park

    EIN 465383795 · Headquarters: OKOBOJI, IA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Maser Family Foundation

    EIN 391901902 · Headquarters: OKOBOJI, IA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  13. Next Life Foundation

    EIN 465588534 · Headquarters: OKOBOJI, IA, USA · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  14. Okoboji Foundation

    EIN 421322070 · Headquarters: OKOBOJI, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  15. Okoboji Protective Association

    EIN 421358811 · Headquarters: Okoboji, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  16. Partners for the Future - Dickinson County Land Air and Water

    EIN 472078791 · Headquarters: Okoboji, IA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  17. Pearson Lakes Art Center

    EIN 420930815 · Headquarters: OKOBOJI, IA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Spirit of Okoboji

    EIN 822954269 · Headquarters: Okoboji, IA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. The George H Scanlon Foundation

    EIN 426100764 · Headquarters: OKOBOJI, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  20. The Joseph Andres Family Foundation

    EIN 470832165 · Headquarters: Okoboji, IA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  21. Waterfalls Ministries Inc

    EIN 562514783 · Headquarters: Okoboji, IA, US · Religion Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  22. Wildwood Nature Preserve

    EIN 260347411 · Headquarters: OKOBOJI, IA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF