| Name | Deductibility Code |
| Boothbay Region Garden Club Inc. | -- |
| Cuckolds Fog Signals and Light Station Council | -- |
| Friends of Southport Memorial Library | -- |
| Friends of the Southport Historical Society | -- |
| Southport Island Association | -- |
| Southport Junior Yacht Club Sailing Foundation | -- |
| Southport Memorial Library Aides | -- |