- Isle Royale; Ryan Island.1
- Lac La Belle Falls, Lac La Belle1
- Lake Desor, ca 2 mi NW of, Isle Royale National Park1
- Lake Eva, Isle Royale1
- Lake Medora, 4 mi SW of Copper Harbor1
- Lake Ojibway S, Isle Royale1
- Lake Siskowit Outlet, Isle Royale1
- Lake Sumner, Isle Royale1
- Mandan, near, US 411
- Manganese Falls gorge1
- Manganese River gorge, 0.75 mi SE of Copper Harbor1
- Manganese River gorge, beside Falls, 0.25 mi SE of Copper Harbor1
- Manganese River, above falls of1
- Manganese River, crest of Falls, 0.5 mi SE of Copper Harbor1
- McCargoe Cove, head of, Isle Royale1
- McCargoe's Cove, Isle Royale1
- Monument Rock Trail, Isle Royale1
- Monument Rock, Tobin Harbor, Isle Royale1
- Monument Rock, below, Tobin Harbor, Isle Royale1
- Moose Lake, shore of, Tobin's Harbor1