The United States of America is a federal union of 50 states and a capital district. The east coast state of Maryland straddles the northern half of the Chesapeake Bay, the great estuary formed by the lower course of the Susquehanna River. The two sides of the Chesapeake are known in Maryland as the Eastern Shore and the Western Shore. Baltimore, on the Western Shore, is the state's largest city and a major port. Another broad estuary, the Potomac River, forms part of the southern border of Maryland and leads to the national capital of Washington. In the early nineteenth century John Donahoo (1786-1858) built a dozen stone or brick lighthouses on the upper Chesapeake. Seven survive and two are still active. Maryland is also famous for its cottage-style screwpile lighthouses, although only four of these picturesque buildings remain. In 1900 there were 45 cottage screwpile lighthouses on the Chesapeake. In a few cases modern lights are mounted on the original screwpile platform, and these stations are included below. Navigational aids in the United States are operated by the U.S. Coast Guard, but ownership (and sometimes operation) of historic lighthouses has been transferred to local authorities and preservation organizations in many cases. Maryland lights are the responsibility of the Coast Guard's Sector Maryland-National Capital Region based at Baltimore with Aids to Navigation Teams at Baltimore and Washington. ARLHS numbers are from the ARLHS World List of Lights, Admiralty numbers are from volume J of the Admiralty List of Lights & Fog Signals, and USCG numbers are from Vol. II of the U.S. Coast Guard Light List.
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Fishing Battery Light, upper Chesapeake Bay, April 2017 Google Maps photo by Garrett Roberts |
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1987 Seven Foot Knoll Light, Baltimore photo copyright Capt. Peter Mosselberger; used by permission |
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Point Lookout Light, April 2022 photo copyright Tony Pasek, USLHS Chesapeake Chapter; used by permission |
Potomac River Lighthouses
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Information available on lost lighthouses:
Notable faux lighthouse:
Adjoining pages: North: Southeastern Pennsylvania | East: Maryland Eastern Shore | South: Virginia
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Checked and revised August 8, 2024. Lighthouses: 41. Lightships: 1. Site copyright 2024 Russ Rowlett and the University of North Carolina at Chapel Hill.