- Jewett Hall Auditorium
- 46 University Dr, Augusta
- Jewish Community Alliance
- 1342 Congress Street, Portland, ME, 04102
- John B. Mountain
- Breezemere Rd., Brooskville, Maine
- John Street Methodist Church
- 98 John St, Camden
- John Street United Methodist Church
- 98 John Street, Camden, ME, 04843, Midcoast
- Johnson Hall
- 280 Water Street, Gardiner, ME
- Johnston Gym
- 354 Hogan Road, Bangor, Maine, 04401
- Jonathan Fisher House
- 44 Mines Rd, Blue Hill, ME, 04614
- Jordan Homeastead
- Bayside Road, Ellsworth, ME, 04640
- Katahdin Woods and Waters National Monument
- Swift Brook Road , Patten