Type: Light Station U.S. State: Michigan Collection / Donor: National Park Service Inventory Existing: Yes Year Established: 1905 Read more about Middle Island
Type: Light Station U.S. State: Michigan Collection / Donor: Data Created by Society Existing: Yes Read more about Middle Neebish Cut
Type: Light Station U.S. State: California Collection / Donor: U.S. Coast Guard Historian's Office Existing: No Year Established: 1906 Read more about Mile Rocks
Type: Light Station U.S. State: Wisconsin Collection / Donor: National Archives Existing: No Year Established: 1899 Read more about Milwaukee Breakwater Old
Type: Light Station U.S. State: Wisconsin Collection / Donor: National Park Service Inventory Existing: Yes Year Established: 1926 Read more about MILWAUKEE NORTH BREAKWATER NEW
Type: Light Station U.S. State: Wisconsin Collection / Donor: National Park Service Inventory Existing: Yes Year Established: 1872 Read more about MILWAUKEE NORTH PIERHEAD
Type: Light Station U.S. State: Wisconsin Collection / Donor: National Park Service Inventory Existing: Yes Year Established: 1855 Read more about Milwaukee NORTH POINT
Type: Light Station U.S. State: Michigan Collection / Donor: National Park Service Inventory Existing: Yes Year Established: 1935 Read more about Minneapolis Shoal
Type: Light Station U.S. State: Minnesota Existing: Yes Year Established: 1857 Read more about Minnesota Point (ruins)
Type: Light Station U.S. State: Massachusetts Collection / Donor: Jeremy D'Entremont Collection Existing: Yes Year Established: 1850 Read more about MINOTS LEDGE
Type: Light Station U.S. State: Delaware Collection / Donor: Society Archives Existing: Yes Year Established: 1831 Read more about MISPILLION (OLD)
Type: Light Station U.S. State: Delaware Collection / Donor: Society Archives Existing: Yes Year Established: 1873 Read more about Mispillion New
Type: Light Station U.S. State: Michigan Collection / Donor: National Park Service Inventory Existing: Yes Year Established: 1870 Read more about Mission Point (Old)
Type: Light Station U.S. State: Alabama Collection / Donor: Society Archives Existing: Yes Year Established: 1885 Read more about MOBILE MIDDLE BAY
Type: Light Station U.S. State: Alabama Collection / Donor: Society Archives Existing: Yes Year Established: 1822 Read more about MOBILE POINT (RANGE REAR)
Type: Light Station U.S. State: Florida Collection / Donor: U.S. Coast Guard Historian's Office Existing: No Year Established: 1921 Read more about Molasses Reef
Type: Light Station U.S. State: Hawaii Collection / Donor: Society Archives Existing: Yes Year Established: 1909 Read more about MOLOKAI (KALAUPAPA)
Type: Light Station U.S. State: Puerto Rico Collection / Donor: Society Archives Existing: Yes Year Established: 1900 Read more about MONA ISLAND
Type: Light Station U.S. State: Maine Existing: Yes Year Established: 1824 Read more about MONHEGAN ISLAND
Type: Light Station U.S. State: Massachusetts Collection / Donor: Jeremy D'Entremont Collection Existing: Yes Year Established: 1823 Read more about MONOMOY POINT
Type: Light Station U.S. State: Michigan Collection / Donor: Data Created by Society Existing: No Year Established: 1849 Read more about Monroe Pierhead
Type: Light Station U.S. State: New York Collection / Donor: Society Archives Existing: Yes Year Established: 1796 Read more about Montauk Point
Type: Light Station U.S. State: Maine Existing: Yes Year Established: 1827 Read more about MOOSE PEAK
Type: Light Station U.S. State: Connecticut Collection / Donor: Society Archives Existing: Yes Year Established: 1831 Read more about MORGAN POINT
Type: Light Station U.S. State: South Carolina Collection / Donor: National Park Service Inventory Existing: Yes Year Established: 1767 Read more about Morris Island (Old Charleston)
Type: Light Station U.S. State: South Carolina Collection / Donor: National Archives Existing: No Year Established: 1902 Read more about Morris Island Range Front
Type: Light Station U.S. State: South Carolina Collection / Donor: National Archives Existing: No Year Established: 1902 Read more about Morris Island Range Rear
Type: Light Station U.S. State: Maine Collection / Donor: Jeremy D'Entremont Collection Existing: Yes Year Established: 1830 Read more about Mount Desert Rock
Type: Light Station U.S. State: South Carolina Existing: No Year Established: 1894 Read more about Mount Pleasant Range Rear
Type: Light Station U.S. State: Puerto Rico Collection / Donor: Society Archives Existing: Yes Year Established: 1887 Read more about MUERTOS ISLAND
Type: Light Station U.S. State: Washington Collection / Donor: National Park Service Inventory Existing: Yes Year Established: 1906 Read more about Mukilteo
Type: Light Station U.S. State: Michigan Collection / Donor: National Park Service Inventory Existing: Yes Year Established: 1908 Read more about Munising Range
Type: Light Station U.S. State: Delaware Collection / Donor: National Archives Photography Existing: Yes Year Established: 1895 Read more about Murderkill River Range Front
Type: Light Station U.S. State: Delaware Collection / Donor: National Archives Photography Existing: No Year Established: 1895 Read more about Murderkill River Range Rear
Type: Light Station U.S. State: Michigan Collection / Donor: National Archives Existing: No Year Established: 1870 Read more about Muskegon
Type: Light Station U.S. State: Michigan Collection / Donor: National Park Service Inventory Existing: Yes Year Established: 1903 Read more about Muskegon South Pierhead
Type: Light Station U.S. State: Michigan Collection / Donor: Data Created by Society Existing: No Year Established: 1890 Read more about Muskegon South Pierhead Range Front
Type: Light Station U.S. State: Rhode Island Collection / Donor: National Archives Existing: No Year Established: 1873 Read more about Mussel Bed Shoals
Type: Light Station U.S. State: Virginia Collection / Donor: U.S. Coast Guard Historian's Office Existing: No Year Established: 1878 Read more about Nansemond River