Wisconsin
Îles commençant par m
États-Unis
- Maggies Island
- Majestic Island
- Manitou Island
- McClary Island
- McDowell Island
- McFetridge Island
- McHenry Island
- McNott Island
- Metcalf Island
- Michigan Island
- Middle Island
- Middle Island (historical)
- Millers Island
- Miscauno Island
- Misling Island
- Moon Island
- Mosquito Island
- Mudcat Island
- Muench Island
- Mulligan Island
- Muscoda Island
- Musquash Island
- Mussel Island