Mary Island Light Station
Sept. 17, 2019
Mary Island Light Station, northeastern part of Mary Island in southeastern Alaska
Mary Island Light Station, northeastern part of Mary Island in southeastern Alaska
Mary Island Light Station, northeastern part of Mary Island in southeastern Alaska
Built in 1903.
MARY ISLAND LIGHT
MARY ISLAND/REVILLAGIGEDO CHANNEL
Station Established: 1903
Year Current Tower(s) First Lit: 1937
Operational? YES
Automated? YES 1969
Deactivated: n/a
Foundation Materials: CONCRETE
Construction Materials: REINFORCED CONCRETE
Tower Shape: SQUARE
Markings/Pattern: WHITE ART DECO
Relationship to Other Structure: ATTACHED
Original Lens: FOURTH ORDER, FRESNEL 1903
HISTORICAL INFORMATION:
- Congress appropriated funds for a lighthouse and construction began in May of 1902.The light was first lit on July 15, 1903 with a fourth order Fresnel lens.
- In 1926 a new illuminating apparatus was installed increasing the lights power.
- In 1931 a third class radio beacon was installed in the station.
- In the late 1930 it was determined a new light would have to be constructed. A new tower of reinforced concrete was constructed at a cost of $54,792 and became active in 1937.
- In 1969 the light was automated and reclassified as a minor light. The radio beacon was discontinued at the same time.
- Current lens is 250 MM optic. Date of installation is not noted.