- Black Island
- Blake Corner
- Boxer Island
- Back Settlement
- Barretts
- Batesville
- Bear Island
- Bennett
- Big Island
- Bishop
- Blackstone
- Blackwater
- Blueberry Island
- Boat Landing Camp
- Bradbury
- Bradburys
- Bridgewater Corner
- Brown Corner
- Buffalo
- Bug Island
- Bugbee
- Bull Island
- Burnt Island
- Burnt Landing
- Burnt Mill
- Butterfield Landing
- Bar Harbor
- Babb Corner
- Baker Corner
- Bangs Island