The Coastal Maine Botanical Gardens administrative staff offices are in the Visitor Center. Offices of the staff members who work primarily on the ground are in the Horticulture Building.
Administrative Staff
| Name | Title | Extension | |
| Maureen Heffernan | Executive Director | x102 | Bio |
| Thomas Boudin | Chief Financial Officer | x103 | Bio |
| Margaret Hoffman | Director of Marketing & Visitor Services | x114 | Bio |
| Barbara Freeman | Director of Communications | x105 | Bio |
| Amanda Russell | Volunteer Coordinator | x107 | Bio |
| Valerie Tu’ineau | Marketing Assistant | x110 | Bio |
| Gabrielle DiPerri | Office Manager & Executive Assistant | x101 | Bio |
| Jen Lawlor | Membership & Annual Fund Manager | x104 | Bio |
| Jill Strauss | Education Program Specialist | x109 | Bio |
| Beth Lewis | Education Assistant | x101 | Bio |
| Pat Jeremiah | Head Librarian (volunteer) | x101 | Bio |
Grounds Staff
| Name | Title | Extension | |
| Richard B. Zieg | Director of Horticulture | x133 | Bio |
| Bruce McElroy | Head Groundskeeper | Bio | |
| Sharmon Provan | Assistant Groundskeeper | Bio | |
| Justin Nichols | Horticulturist | Bio |