- Boom Islands
- Bottle Island
- Bradford Center
- Bride Island
- Brown Island
- Brown Islands
- Barnard
- Barnard Corner
- Benson
- Berrys Corner
- Big Island
- Big Island
- Birch Island
- Birch Island
- Black Island
- Black Island
- Black Sand Island
- Bodfish
- Boulder Island
- Boyd Lake
- Burdin Corner
- Burnt Island
- Bareneck Island
- Basin Island
- Bay Point
- Beal Island
- Bear Island
- Beef Rock
- Berry Island
- Birch Island