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.
Duxbury Pier lighthouse also called Duxbury Light is a lighthouse located in Plymouth Harbor, Massachusetts. Duxbury Pier Light was built in 1871 on the north side of the main channel in Plymouth Harbor to mark the dangerous shoal off Saquish Head. The unusual coffeepot-shaped lighthouse is locally known as "Bug Light" or simply "The Bug." It was the first so-called sparkplug lighthouse in the United States. Application was made to list the lighthouse on the National Register of Historic Places in 2014.
The Boca Chita Key Historic District is a U.S. historic district within the Biscayne National Park in Miami-Dade County, Homestead, Florida. Located on the northwest section of Boca Chita Key, delimited by Biscayne Bay in the north and west and a half ruined stone wall on its southern side, it contains three historic buildings and the Boca Chita Lighthouse. On 1 August 1997, it was listed in the National Register of Historic Places for its architectural, historical and recreational values.
Morris Island Light is a lighthouse on Morris Island in South Carolina. The light stands on the southern side of the entrance to Charleston Harbor, north of the City of Folly Beach. At 161 ft, it is the tallest lighthouse in South Carolina. The lighthouse was named to the National Register of Historic Places in 1982.
The Harbor of Refuge Light is a lighthouse built on the ocean end of the outer Delaware Breakwater at the mouth of the Delaware Bay, just off Cape Henlopen. It was built to function with the Delaware Breakwater East End Light in order to mark the National Harbor of Refuge.
Beavertail Lighthouse was built in 1856 and is the premier lighthouse in Rhode Island, marking the entrance to Narragansett Bay. The 64-foot (20 m) lighthouse lies on the southernmost point of Conanicut Island in the town of Jamestown, Rhode Island in Beavertail State Park, on a site where beacons have stood since the early 18th century. The light provides navigation for boats and ships entering Narragansett Bay in the East Passage between Conanicut Island and Newport, Rhode Island on Aquidneck Island. Other lighthouses are visible from Beavertail Lighthouse, such as Castle Hill Lighthouse, Point Judith Light, and Rose Island Light.
The Clay Island Light was a historic lighthouse located on Clay Island at the mouth of the Nanticoke River on the Chesapeake Bay. Constructed in 1832, it continued to serve the area until 1892, when it was replaced by the Sharkfin Shoal Light. Two years later, the building collapsed, and nothing remains of it.
The Craighill Channel Lower Range Rear Light is one of a pair of range lights that marks the first section of the shipping channel into Baltimore harbor. It is the tallest lighthouse in Maryland.
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.
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.
Edgartown Harbor Light is a lighthouse located in Edgartown, Massachusetts, United States, where it marks the entrance to Edgartown Harbor and Katama Bay. It is one of five lighthouses on the island of Martha's Vineyard. The first lighthouse, a two-story wooden structure that also served as the keeper's house, was constructed in 1828. It was demolished, and replaced by the current cast-iron tower, in 1939. Originally located on an artificial island 1/4 miles from shore, the lighthouse is now surrounded by a beach formed, since 1939, by sand accumulating around the stone causeway connecting it to the mainland.
The Bullock's Point Light was a lighthouse in the Providence River. It was irreparably damaged by the hurricane of 1938 and was replaced the following year by an automated light on a steel tower.
The Ship John Shoal Light marks the north side of the ship channel in Delaware Bay on the east coast of the United States, near the Bombay Hook National Wildlife Refuge. Its cast iron superstructure was exhibited at the 1876 Centennial Exposition in Philadelphia, Pennsylvania.
The Cross Ledge Light was a lighthouse on the north side of the ship channel in Delaware Bay off of Cumberland County, New Jersey on the East Coast of the United States, southwest of Egg Island Point. It was replaced by the Elbow of Cross Ledge Light and the Miah Maull Shoal Light in the early 1900s and razed by the United States Coast Guard in 1962.
The Brandywine Shoal Light is a lighthouse on the north side of the ship channel in Delaware Bay on the east coast of the United States, west of Cape May, Cape May County, New Jersey, United States. It was the site of the first screw-pile lighthouse in the United States.
Diamond Shoal Light is an inactive offshore lighthouse marking Diamond Shoals off Cape Hatteras.
Frying Pan Shoals Light Tower is a decommissioned lighthouse located on the Frying Pan Shoals approximately 39 miles (63 km) southeast of Southport, North Carolina, and 32 miles (51 km) from Bald Head Island, North Carolina. The tower is currently privately owned and was formerly a bed and breakfast retreat, and is noted for its survival through several significant tropical storms.
The Detroit River Light, also known as Bar Point Shoal Light, was first established as a lightship in 1875. The current sparkplug lighthouse was built in 1885. It sits in Lake Erie, south of the mouth of the Detroit River, 1.75 nautical miles from land and about 20 nautical miles from the Ambassador Bridge in the Detroit River. It is about 0.4 nautical miles from the border with Canada, and just under 24 nautical miles from Put-in-Bay, Ohio. Its original 4th order Fresnel lens is on loan to the Michigan Maritime Museum.
Plover Scar Lighthouse, also known as the Abbey Lighthouse, is an active 19th century lighthouse sited at the entrance of the Lune estuary, near Cockersand Abbey in Lancashire, England. The lighthouse is maintained by the Lancaster Port Commission. It is registered under the international Admiralty number A4876 and has the NGA identifier of 114-5144.
