- Martin
- Martin Island
- Martindale
- Martindale Mobile Home Park
- Martinsburg
- Martinsville
- Martinsville
- Martisco
- Martville
- Marvin
- Marvin Woods
- Marycrest
- Maryknoll
- Maryland
- Marysville
- Masonville
- Maspeth
- Massapequa
- Massapequa Park
- Massena
- Massena Center
- Massena Springs
- Mastic
- Mastic Beach
- Matilda Island
- Matinecock
- Mattituck
- Mattydale
- Mau Mau Island
- Maxwell