- Barter Island
- Barters Island
- Bartlett Island
- Bartlett Mills
- Bartol Island
- Barton Island
- Basin Island
- Basin Mills
- Basket Island
- Basket Island
- Bass Harbor
- Bass Island
- Bass Island
- Batchelders Crossing
- Bates Island
- Batesville
- Bath
- Batson Ledges
- Battery Island
- Battle Island
- Battleship Island
- Bay Island
- Bay Point
- Bay View
- Bayside
- Bayside
- Bayville
- Beach Island
- Beach Island
- Beacon Corner