Fowey Rocks Light is located seven miles southeast of Cape Florida on

Key Biscayne Key Biscayne ( es, Cayo Vizcaíno, link=no) is an island located in Miami-Dade County, Florida, located between the Atlantic Ocean and Biscayne Bay. It is the southernmost of the barrier islands along the Atlantic coast of Florida, and lies sou ...

. The lighthouse was completed in 1878, replacing the

Cape Florida Light The Cape Florida Light is a lighthouse on Cape florida, Cape Florida at the south end of Key Biscayne in Miami-Dade County, Florida. Constructed in 1825, it guided mariners off the Florida Reef, which starts near Key Biscayne and extends southwar ...

. It was automated on May 7, 1975, and is still in operation. The structure is

cast iron Cast iron is a class of iron–carbon alloys with a carbon content more than 2%. Its usefulness derives from its relatively low melting temperature. The alloy constituents affect its color when fractured: white cast iron has carbide impuriti ...

, with a screw-pile foundation, a platform and a skeletal tower. The light is 110 feet above the water. The tower framework is painted brown, while the dwelling and enclosed circular stair to the lantern is painted white. The original lens was a first-order drum

Fresnel lens A Fresnel lens ( ; ; or ) is a type of composite compact lens developed by the French physicist Augustin-Jean Fresnel (1788–1827) for use in lighthouses. It has been called "the invention that saved a million ships." The design allows the c ...

which stood about high and weighed about a ton (tonne). The light has a nominal range of 15 miles in the white sectors, and 10 miles in the red sectors. Fowey Rocks are named after the

Royal Navy The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by English and Scottish kings from the early medieval period, the first major maritime engagements were fought in the Hundred Years' War against F ...

frigate HMS ''Fowey'' which was wrecked on a different reef to the south in 1748. During construction of the lighthouse the workers lived on a platform built over the water to minimize the danger of transporting them and their supplies each day from the mainland. While construction was under way, on 17 February 1878 the '' Arratoon Apcar'' ran aground on the reef. The 1500 ton steamship came to rest just from the workmen's platform. Efforts to save the boat failed, and she was pounded apart on the rocks and sank. Today the wreck is an excellent scuba diving site. One early assistant keeper of the lighthouse, Jefferson B. Browne, later became Chief Justice of the Florida Supreme Court. The

Labor Day Hurricane of 1935 The Great Labor Day Hurricane of 1935 was the most intense Atlantic hurricane to make landfall on record by pressure, with winds of up to 185 mph (297 km/h). The fourth tropical cyclone, third tropical storm, second hurricane, and se ...

washed away the first deck of the lighthouse, 15 feet above the water, but the tower survived. The lighthouse is inside the boundaries of

Biscayne National Park Biscayne National Park is an American national park located south of Miami, Florida in Miami-Dade County, Florida, Miami-Dade County. The park preserves Biscayne Bay and its offshore barrier reefs. Ninety-five percent of the park is water, and t ...

. In June 2011, the

General Services Administration The General Services Administration (GSA) is an independent agency of the United States government established in 1949 to help manage and support the basic functioning of federal agencies. GSA supplies products and communications for U.S. gover ...

made the Fowey Rocks Light (along with 11 others) available at no cost to public organizations willing to preserve them. On October 2, 2012, the

National Park Service The National Park Service (NPS) is an agency of the United States federal government within the U.S. Department of the Interior that manages all national parks, most national monuments, and other natural, historical, and recreational propertie ...

accepted ownership of the light. It is the last of the original Florida Keys offshore manned reef lights in operation, all others having been decommissioned by 2015. The original Fresnel lens has been replaced by a modern solar-powered light. Although owned by the National Park Service, the light continues to be maintained by the US Coast Guard.

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* {{authority control Lighthouses completed in 1878 Biscayne National Park Lighthouses on the National Register of Historic Places in Florida National Register of Historic Places in Biscayne National Park 1878 establishments in Florida

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