- Maybury Mills
- Messengerville
- Meredith
- Meridale
- Merrickville
- Methol
- Mundale
- M And K Mobile Home Park
- Mabbettsville
- MacDonnell Heights
- Magdalen Island
- Manchester Bridge
- Manor Hill Mobile Home Park
- Market
- McIntyre
- Merritt Park
- Milan
- Millbrook Heights
- Moores Mill
- Moorgate Mobile Home Park
- Mount Riga
- Mount Ross
- Mountain View Mobile Estates
- Marshfield
- Melody Meadows Mobile Home Park
- Millersport
- Millgrove
- Morton Corners
- Mount Vernon
- Murrays Corner