| Name | Deductibility Code |
| Abbe Museum | -- |
| Acadia Community Association | -- |
| Acadian Football League | -- |
| Arcady Music Society | -- |
| Bar Harbor Film Festival | 4 |
| Bar Harbor Jazz Festival | -- |
| Bar Harbor Preservation Trust | 4 |
| Bar Harbor Village Improvement Association | 3 |
| Birch Bay Retirement Village | -- |
| Center for Human Genetics | -- |
| Cetos Research Organization | -- |
| Coastal Resources Center Inc. | -- |
| College of the Atlantic | -- |
| Criterion Theatre and Arts Center | -- |
| Downeast Bar Foundation | -- |
| Downeast Community Mental Health Center | -- |
| Downeast Horizons Inc. | -- |
| Downeast Rail Heritage Preservation Trust | -- |
| Friends of Acadia | -- |
| Friends of Taunton Bay | -- |
| Holbrook Island Sanctuary | -- |
| Island Connections | -- |
| Jackson Laboratory | -- |
| Jefferson Davis Grant Foundation | -- |
| Jesup Memorial Library | -- |
| Joy Foundation | -- |
| Kids Corner Inc. | -- |
| Maine Lighthouse Corporation | -- |
| Maine Sea Coast Missionary Society | -- |
| Mdi Astronomical Assoc | -- |
| Mount Desert Center for the History of Landscape Architecture Inc. | 4 |
| Mount Desert Island Community Health Plan | -- |
| Mount Desert Island Hospital | -- |
| Mount Desert Island Search & Rescue | -- |
| Mount Desert Island Youth Hostel | -- |
| Mt. Desert Island YMCA | -- |
| Northeast Guild for Spiritual Formation | -- |
| Red Empress Foundation | 4 |
| Wholistic Health Resource Center | -- |