Sand Island Light (Alabama)

Sand Island Light
Sand Island lighthouse - 1962
LocationSand Island
Mobile County
Alabama
United States
Coordinates30°11′16″N 88°03′02″W / 30.18778°N 88.05056°W / 30.18778; -88.05056
Tower
Constructed1838 (first)
1859 (second)
1864 (third)
Foundationstone
Constructionbrownstone tower
Automated1948
Height131 feet (40 m)
Shapetapered cylindrical tower with balcony and lantern
Markingsunpainted tower, black lantern, and balcony
OperatorTown of Dauphin Island
HeritageNational Register of Historic Places listed place 
Fog signalbell struck every 20 seconds
Light
First lit1873 (current)
Deactivated1971
Focal height38 m (125 ft) 
Lens1838: 14 lamps with 16-inch reflectors
1859: First order Fresnel lens
1862-63: Fourth order Fresnel lens
1873: Second order Fresnel lens, now at the Fort Morgan Museum
Range0 miles (0 km)
CharacteristicF W
Sand Island Light
Nearest cityFort Morgan, Alabama
Arealess than one acre
Architectural styleItalianate
NRHP reference No.75000305
Added to NRHPNovember 12, 1975

Sand Island Light, also known as Sand Island Lighthouse (and historical light station), is a decommissioned lighthouse located at the southernmost point of the state of Alabama, United States, near Dauphin Island, at the mouth of Mobile Bay, Alabama, United States. It is located roughly 3 mi (4.8 km) offshore from the primary Mobile Bay entrance, bounded on the east by Mobile Point and on the west by Dauphin Island. The lighthouse is 132 feet (40 m) high.