- Barrington
- Barry's Mobile Home Park
- Barrytown
- Barryville
- Bartlett
- Bartlett Corners
- Bartlett Hollow
- Bartlett Island
- Bartletts Corner
- Barton
- Bartons Island
- Basket
- Basom
- Bass Channel Island (historical)
- Bass Island
- Bass Island
- Basswood Island
- Batavia
- Batchellerville
- Bates
- Bates
- Bath
- Bath Beach
- Battenville
- Battle Hill
- Battle Island
- Baxter Estates
- Bay Colony
- Bay Island
- Bay Park