- Maid Island
- Makhnati Island
- Makhnati Islands
- Marshall Island
- Martin Island
- McClellan Group
- McClellan Rock
- Mertz Island
- Middle Island
- Middle Island
- Midway Island
- Mills Island
- Minett Island
- Mogilnoi Island
- Morne Island
- Moser Island
- Mount Edgecumbe
- Myriad Islands
- Mansfield Village
- Middle Rock
- Moraine Island
- Mabel Island
- Marsh Island
- McHenry Islet
- Meyers Island
- Middle Islands
- Misery Island
- Molver Island
- Mosman Island
- Muffin Islands