- Apple Island
- Atlantis Island
- Adirondack Estates
- Allentown
- Antone Mountain Mobile Home Park
- Ashfords Way
- Alplaus
- Aqueduct
- Arabia
- Argusville
- Alpine Junction
- Altay
- Adrian
- Alice
- Alberts Landing
- Alewife Brook Landing
- Amity Harbor
- Apaquogue
- Arshamonaque
- Art Village
- Atlantique
- Acra
- Adams Basin
- Adirondack
- Alcove
- Alder Creek
- Alma
- Alpine
- Alton
- Armawalk