| Name | Deductibility Code |
| C B Schmitt Charitable Foundation Inc. | 4 |
| Faith Baptist Temple of Marathon Florida Inc. | -- |
| Fishermens Hospital Auxiliary Inc. | -- |
| Fishermens Hospital Inc. | -- |
| Florida Keys Area Health Education Center Program Inc. | -- |
| Florida Keys Land & Sea Trust Inc. | -- |
| Florida Keys Renaissance Faire Inc. | -- |
| Florida Keys Scenic Corridor Alliance Inc. | -- |
| Forgotten Felines Inc. | -- |
| Friends of the Marathon Library Inc. | -- |
| Grace Jones Community Center Inc. | -- |
| Guidance Clinic of Middle Keys Inc. | -- |
| Habitat for Humanity International Inc. | -- |
| Heart of the Keys Recreation Assocaition Inc. | -- |
| Hidden Harbor Marine Environmental Project Inc. | -- |
| Higherlove Mission Outreach Inc. | -- |
| History Flight | -- |
| Independence Cay Inc. | -- |
| Key West Historical Turtle Kraals Cannery Museum & Educ Cntr Inc. | -- |
| Keys Area Interdenominational Resources | -- |
| Liberty Lighthouse Outreach Ministries Inc. | -- |
| Marathon Alumni Athletic Club Inc. | -- |
| Marathon Animal Shelter | -- |
| Marathon Bpw Foundation Inc. | -- |
| Marathon Garden Club Inc. | -- |
| Marathon Little Theatre Inc. | -- |
| Marathon Volunteer Fire & Rescue Inc. | 6 |
| Marathon Wild Bird Center Inc. | -- |
| Marathon Youth Sailing Inc. | -- |
| Micah Missions Inc. | -- |
| Mid-Keys Alcoholics Anonymous Group | -- |
| Middle Keys Community Land Trust Inc. | -- |
| Middle Keys Experimental Aircraft Association Inccorporated | -- |
| Nami-Middle Keys | -- |
| Nate Grill Scholarship Foundation Inc. | -- |
| One Hundred Club of Monroe County Inc. | -- |
| Pigeon Key Foundation | -- |
| River Children Inc. | -- |
| Robert J F Brobyn and Margaret M Brobyn Charitable Tr | 4 |
| Rural Health Network of Monroe County Inc. | -- |
| Sanctuary Friends Foundation of the Keys Inc. | -- |
| Sav-A-Turtle Inc. | -- |
| Stand Up for Animals | -- |
| The Frances Louise Wolfson Family Foundation Inc. | 4 |
| The Harry E Norris Memorial Fund Inc. | -- |
| Tri-State Pet Rescue Inc. | -- |
| United States Fellowship of Florida | -- |
| Veterans Haven Inc. | -- |
| Whiskers & Paws Forever of Monroe County Inc. | -- |
| Zonta Club of Marathon Foundation Inc. | -- |