https://nonprofitlocator.org/organizations/me/southport/010509298-friends-of-the-southport-historical-society https://nonprofitlocator.org/organizations/me/southport/010513496-southport-junior-yacht-club-sailing-foundation https://nonprofitlocator.org/organizations/me/southport/030601659-cuckolds-fog-signals-and-light-station-council https://nonprofitlocator.org/organizations/me/southport/300400277-southport-island-association https://nonprofitlocator.org/organizations/me/southport/510434407-friends-of-southport-memorial-library