- Mountain View
- Muitzes Kill
- Mull Island
- Mull Platt
- Mariners Harbor
- Midland Beach
- Macedon
- Mazzaleone Park
- Mountain View Mobile Home Park
- Madrid Springs
- Manzanita Island
- Maple Island
- Maple Street Trailer Court
- Marshville
- Massena Center
- Massena Springs
- Matilda Island
- McEwens Corner
- Middle Island
- Mink Island
- Morley
- Morley Mobile Home Park
- Morristown Center
- Mount Arab
- Murphy Islands
- Mahopac
- Malone
- Malverne
- Malverne Park Oaks
- Mamaroneck