Nonprofits in Southwest Harbor, Maine

Nonprofits in Southwest Harbor, Maine. Browse 29 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. Acadia Family Center

    EIN 223022497 · Headquarters: Southwest Harbor, ME, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. American Legion

    EIN 016029183 · Headquarters: Southwest Harbor, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Ancient Free & Accepted Masons of Maine

    EIN 237531013 · Headquarters: Southwest Harbor, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Astronomy Institute of Maine

    EIN 201657729 · Headquarters: Southwest Harbor, ME, US · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Causeway Club Inc

    EIN 010461844 · Headquarters: SOUTHWEST HARBOR, ME, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990

  6. Gotts Island Association

    EIN 010513339 · Headquarters: Southwest Harbor, ME, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Harbor House Community Service Center

    EIN 010272150 · Headquarters: Southwest Harbor, ME, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. High Road Sewer

    EIN 900526364 · Headquarters: Southwest Harbor, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. International Reading Association Inc

    EIN 341211455 · Headquarters: Southwest Harbor, ME, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  10. Kiwanis International Inc

    EIN 010388586 · Headquarters: Southwest Harbor, ME, US · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  11. Knights of Pythias of Maine

    EIN 237537381 · Headquarters: Southwest Harbor, ME, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  12. Mdi Alcohol & Drug Abuse Group

    EIN 010360501 · Headquarters: SOUTHWEST HARBOR, ME, USA · Mental Health & Crisis Intervention · Latest available filing year: 2010 · Primary form: IRS Form 990

  13. Mount Desert Island Community Saili and Maritime Education Inc

    EIN 261225678 · Headquarters: SOUTHWEST HARBOR, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  14. Mount Desert Island Lions Charities

    EIN 010490417 · Headquarters: SOUTHWEST HARBOR, ME, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. Mt Height Cemetery Assoc

    EIN 237197296 · Headquarters: Southwest Harbor, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. North Shore Tennis and Fitness

    EIN 472260674 · Headquarters: SOUTHWEST HARBOR, ME, USA · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  17. Oceanus Intitute Inc

    EIN 237167473 · Headquarters: Southwest Harbor, ME, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  18. Pemetic Teachers Association

    EIN 010493877 · Headquarters: Southwest Harbor, ME, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  19. Pot & Kettle Club

    EIN 010218055 · Headquarters: SOUTHWEST HARBOR, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Safe Family Exchange

    EIN 542107915 · Headquarters: SOUTHWEST HARBOR, ME, USA · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  21. Safe Harbor Alano Club

    EIN 934743486 · Headquarters: Southwest Harbor, ME, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  22. Southwest Harbor - Tremont Chamber of Commerce

    EIN 016019950 · Headquarters: SOUTHWEST HARBOR, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  23. Southwest Harbor Historical Society

    EIN 202072613 · Headquarters: SOUTHWEST HARBOR, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Southwest Harbor Public Library

    EIN 010241528 · Headquarters: SOUTHWEST HARBOR, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Southwest Harbor-tremont Nursing Se Inc

    EIN 010271579 · Headquarters: SOUTHWEST HARBOR, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  26. Stockholm Heritage Foundation

    EIN 342047473 · Headquarters: Southwest Harbor, ME, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Summer Festival of the Arts

    EIN 010541280 · Headquarters: SOUTHWEST HARBOR, ME, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  28. The Common Good Soup Kitchen Community

    EIN 270598561 · Headquarters: Southwest Harbor, ME, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Wendell Gilley Museum of Bird Carving

    EIN 010368574 · Headquarters: SOUTHWEST HARBOR, ME, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990