Sea Girt Light

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Sea Girt Lighthouse
Sea Girt October 2013.jpg
Sea Girt Lighthouse
Sea Girt Light is located in Monmouth County, New Jersey
Sea Girt Light
Location Sea Girt, New Jersey
Coordinates 40°08′12″N 74°01′39″W / 40.1367°N 74.0275°W / 40.1367; -74.0275Coordinates: 40°08′12″N 74°01′39″W / 40.1367°N 74.0275°W / 40.1367; -74.0275
Year first constructed 1896
Automated 1945
Deactivated 1977
Foundation Brick
Construction Brick
Tower shape house with integral tower and lantern
Height 44 feet (13 m)
Focal height 60 feet (18 m)
Original lens Fourth order Fresnel lens
Current lens Decorative light

The Sea Girt Light is a lighthouse marking the inlet leading to the Wreck Pond in Sea Girt in Monmouth County, New Jersey, United States. It hosted the first radio beacon mounted in a shore installation in the United States.


The New Jersey shore between the Barnegat and Navesink lighthouses, a distance of nearly 40 miles, was unlit in the 1800s, and in 1888 the Lighthouse Board requested funds to establish a light in this area. The original site was to be at Manasquan Inlet, just to the south of Sea Girt; however, the site was found to be unsuitable and the present lot was obtained on the beach at Sea Girt, near Wreck Pond. An L-shaped brick house with an integral tower was constructed, and the light was first exhibited in December 1896. This was the last shore lighthouse with an integral keeper's residence built on the east coast of the United States. Moving sand and erosion were problems from early on, but fencing in 1900 and steel pilings in the 1920s arrested the threat.

In 1921 Sea Girt Light was equipped with a radio beacon, the first such installation on a shore-based light. It was installed in conjunction with transmitters on the Ambrose and Fire Island lightships; with a radio direction finder, a ship could fix its position accurately through triangulation from the three sites.

At the outset of World War II, the light was deactivated and the lens removed; the house was remodeled to serve as a dormitory for a Coast Guard observation post. After the war, an aerobeacon was mounted atop the tower; but in 1955 the light was decommissioned and a beacon on a steel tower was erected on the lawn. The lighthouse was offered to the state, but when they declined, the borough of Sea Girt purchased the lighthouse instead. It was used for the town library and for meeting space for many years, and in 1981 care of the building was taken over by the Sea Girt Lighthouse Citizens Committee, an independent non-profit dedicated to restoring and maintaining the lighthouse. This restoration was accomplished, and the building is now available both for tours and for a variety of meetings; the beacon was removed from the external tower and placed in the old lantern, now operated as a private aid to navigation. In 2002 the committee purchased the fourth order Fresnel lens originally used in the Crowdy Head Light in New South Wales, Australia for $20,000, a sum equal to that originally appropriated for construction of the light station.


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