- Martindale Beach
- Martinique Island
- Martins Bluff
- Martins Landing
- Martinsville
- Marysville Farms Manufacturing Home Community
- Marysville Villa Estates Mobile Home Park
- Mashek
- Mason
- Mason Manor Mobile Home Community
- Masonville
- Mass City
- Mastodon
- Matchwood
- Matherton
- Matteson
- Maue Corners
- Maxton
- Mayfield
- Maywood
- McCarron
- McClure
- McComb Corner
- McCords
- McDonald
- McDonald Island
- McFarland
- McGee
- McGregor
- McGrew Junction