A screw-pile lighthouse is a lighthouse which stands on piles that are screwed into sandy or muddy sea or river bottoms. The first screw-pile lighthouse to begin construction was built by the blind Irish engineer Alexander Mitchell. Construction began in 1838 at the mouth of the Thames and was known as the Maplin Sands lighthouse, and first lit in 1841. However, though its construction began later, the Wyre Light in Fleetwood, Lancashire, was the first to be lit.
The Thomas Point Shoal Light, also known as Thomas Point Shoal Light Station, is a historic lighthouse in the Chesapeake Bay on the east coast of the United States, and the most recognized lighthouse in Maryland. It is the only screw-pile lighthouse in the bay which stands at its original site. The current structure is a 1½ story hexagonal wooden cottage, equipped with a foghorn as well as the light.
Concord Point Light is a 36-foot (11 m) lighthouse in Havre de Grace, Maryland, United States, overlooking the point where the Susquehanna River flows into the Chesapeake Bay, an area of increasing navigational traffic when it was constructed in 1827. It is the northernmost lighthouse and the second-oldest tower lighthouse still standing on the bay.
The Sharps Island Light is the third lighthouse to stand nearly 3 miles (5 km) south-southwest from the southern end of Tilghman Island in Maryland's Chesapeake Bay. The structure is best known today for evoking the Leaning Tower of Pisa, a condition caused by an ice floe in 1977.
Sandy Point Shoal Light is a brick three story lighthouse on a caisson foundation that was erected in 1883. It lies about 0.6 mi (0.97 km) off Sandy Point, north of the Chesapeake Bay Bridge, from whose westbound span it is readily visible.
Point Lookout Light is a lighthouse that marks the entrance to the Potomac River at the southernmost tip of Maryland's western shore of the Chesapeake Bay, south of the town of Scotland in Saint Mary's County, Maryland, USA. It is known for its association with ghost stories and has been the subject of paranormal investigations. The lighthouse is located in Point Lookout State Park. It is not open to the public..
The Turkey Point Light is a historic lighthouse at the head of the Chesapeake Bay. Although only a 35-foot (11 m) tower, the 100-foot (30 m) height of the bluffs on which it stands makes it the third highest light off the water in the bay. It is also known for the large number of women who served as lightkeeper.
Fishing Battery Light was the last lighthouse constructed in Maryland by John Donahoo. While still standing, it has been supplanted by a steel tower which stands adjacent to it.
The Choptank River Light was a screw-pile lighthouse located near Oxford, Maryland. In its second incarnation it was the only such light moved from another location in the Chesapeake Bay.
The Cove Point Light is a lighthouse located on the west side of Chesapeake Bay in Calvert County, Maryland.
Drum Point Light is one of four surviving Chesapeake Bay screw-pile lighthouses. Originally located off Drum Point at the mouth of the Patuxent River, it is now an exhibit at the Calvert Marine Museum.
Hooper Strait Light is one of four surviving Chesapeake Bay screw-pile lighthouses in the U.S. state of Maryland. Originally located in Hooper Strait, between Hooper and Bloodsworth Islands in Dorchester County and at the entrance to Tangier Sound, it is now an exhibit at the Chesapeake Bay Maritime Museum in St. Michaels, Maryland.
The Cedar Point Light was the last house-type lighthouse built in the Chesapeake Bay. An early victim of shoreline erosion, the cupola and gables are preserved at museums.
The Lazaretto Point Light was a historic lighthouse in Baltimore harbor. Though long demolished, a replica stands near its original site.
New Point Comfort Light is a lighthouse in the Virginia portion of the Chesapeake Bay, United States, off the tip of the Middle Peninsula. Finished in 1804, it is the third-oldest surviving light in the bay, and the tenth-oldest in the United States.
Old Point Comfort Light is a lighthouse located on the grounds of Fort Monroe in the Virginia portion of the Chesapeake Bay. It is the second oldest light in the bay and the oldest still in use. The lighthouse is owned and maintained by the U.S. Coast Guard and is listed on the National Register of Historic Places.
The Old Plantation Flats Light was a lighthouse located in the Chesapeake Bay marking the channel to Cape Charles, Virginia.
The Windmill Point Light was a lighthouse located at the mouth of the Rappahannock River.
Smith Point Light is a caisson lighthouse in the Virginia portion of the Chesapeake Bay at the mouth of the Potomac River. It was added to the National Register of Historic Places in 2002.
