- Mavis Frazier Trailer Park
- Max
- Mayer
- Mayhew
- Maynard
- Mayville
- Mazeppa
- McCauleyville
- McComber
- McDonalds Lakeview Terrace
- McDougall Island
- McGrath
- McGregor
- McIntosh
- McKinley
- McManus Island
- McNair
- Meadow Brook
- Meadow Mobile Home Park
- Meadow View Manor
- Meadowcrest Estates Mobile Home Park
- Meadowlands
- Medford
- Medford Trailer Park
- Medicine Lake
- Medina
- Meire Grove
- Melby
- Melrose
- Melrose Mobile Home Park