- M And K Mobile Home Park
- Mabbettsville
- MacDonnell Heights
- MacDougall
- Macedon
- Macedon Center
- Machias
- Machias Junction
- Mackey
- Madawaska
- Madison
- Madison Center
- Madrid
- Madrid Springs
- Magdalen Island
- Magee
- Magnolia
- Mahopac
- Mahopac Falls
- Mahopac Mines
- Maiden Lane Mobile Home Park
- Maidstone Park
- Main Settlement
- Maine
- Maine Mobile Park
- Malba
- Malcon
- Malden
- Malden Bridge
- Malden-on-Hudson