- Barred Islands
- Bartlett Island
- Battle Island
- Bayside
- Beach Island
- Bean Island
- Bear Island
- Bear Island
- Bernard
- Big Barred Island
- Big Hay Island
- Big Island
- Big Moose Island
- Big Sugar Bear Island
- Birch Harbor
- Birch Island
- Birch Island
- Bird Rock
- Black Corner
- Black Island
- Black Island
- Black Island
- Black Island
- Black Rock
- Blue Hill Falls
- Bold Island
- Bowden Island
- Boy Scout Island
- Bradbury Island
- Brimstone Island