- Mapleton
- Mapleton
- Mapleton
- Mapleview Estates Mobile Home Park
- Mapleview Valley Mobile Home Park
- Maplewood
- Maplewood Mobile Home Park
- Marcellus
- Mare Island
- Marengo
- Marenisco
- Marilla
- Marina Island
- Marine City
- Marion
- Marion Island
- Marion Springs
- Marks
- Marlborough
- Marlette
- Marlin Village Mobile Home Community
- Marne
- Marquette
- Marquette Island
- Marsh Corner
- Marshall
- Martin
- Martindale Beach
- Martinique Island
- Martins Bluff