- McGrath
- McLarens Settlement
- Micksburg
- Millars Corner
- Mink Lake
- Moores Lake
- Mount St. Patrick
- Mud Lake
- MacDonald Beach
- Maple Valley
- Maple Valley
- Mara Beach
- Marchmont
- Mariposa Beach
- Martin Farm
- Martinville
- Martyrs Shrine
- McMurchy Settlement
- Medonte
- Menoke Beach
- Mertz's Corner
- Midhurst
- Midhurst Station
- Minesing
- Mitchell Square
- Moons Beach
- Moonstone
- Mount St. Louis
- Mount Stephen
- Mountain View Beach