- Mallard Cove
- Mark Island
- Meredith Center
- Meredith Hill
- Mink Island
- Mohawk Island
- Moose Island
- Mount Major
- Mouse Island
- Melody Island
- Melvin Island
- Mile Island
- Minister Island
- Min Island
- Moultonborough Falls
- Moultonville
- Mud Island
- Marlow Junction
- Mill Hollow
- Mill Village
- Mapleton
- Marshfield Station
- Masons
- Meriden Hill
- Metallak Island
- Maplewood
- Mascoma
- Mayhew Island
- Merrill Island
- Merriwood Camp