About Garden Key (Tortugas Harbor)
Year of Construction: 1876
First Lighted: 1876
Electrified: never
Automated: 1912 (with acetylene)
Deactivated: 1921
Tower Height: 25 feet
Focal Height: 67 feet
Type of Tower: cast-iron hexagonal pyramidal
Construction Materials: brick (fort), boilerplate iron with wooden steps
Number of Steps: 50
Daymark: black tower & lantern
Status: active – ornamental light
Current Optic: three light bulbs (no lens or reflectors)
Grounds Open To The Public: yes
Tower Open To The Public: no