Mary Island Light

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Mary Island Light
Mary Island Light in 1937
Mary Island Light is located in Alaska
Mary Island Light
Location Mary Island
Revillagigedo Channel
United States
Coordinates 55°5′56″N 131°10′58″W / 55.09889°N 131.18278°W / 55.09889; -131.18278Coordinates: 55°5′56″N 131°10′58″W / 55.09889°N 131.18278°W / 55.09889; -131.18278
Year first constructed 1903 (first)
Year first lit 1937 (current)
Automated 1969
Foundation concrete
Construction reinforced concrete
Tower shape square tower at corner of dwelling
Markings / pattern art deco architecture
white tower
Height 61 feet (19 m)
Focal height 76 feet (23 m)
Original lens Fourth order Fresnel lens
Current lens 250 mm lens
Range 6 nautical miles (11 km; 6.9 mi)
Characteristic Fl W 6s.
obscured from 341° to 150°.
Admiralty number G6006
ARLHS number ALK-009
USCG number 6-21940
Managing agent

United States Coast Guard[1] [2]

Mary Island Light Station
Alaska Heritage Resources Survey
Mary Island Light is located in Alaska
Mary Island Light
Nearest city Ketchikan, Alaska
Area 9.8 acres (4.0 ha)
Built 1937
Architect US Lighthouse Service; D.A. Chase; Edwin Laird
Architectural style Moderne
MPS Light Stations of the United States MPS
NRHP reference # 05000645[3]
AHRS # KET-024
Added to NRHP July 8, 2005
Heritage place listed on the National Register of Historic Places Edit this on Wikidata

The Mary Island Light Station is a lighthouse located on the northeastern part of Mary Island in southeastern Alaska, United States.


Original 1903 Lighthouse – USCG archive photo

Mary Island Light Station was opened in 1903, and was one of a series of staffed lights established by the U.S. Government to guide ships through the treacherous waters of Southeast Alaska's Inside Passage. In 1937, a concrete lighthouse and fog signal building replaced the original wood tower. Situated behind the light were two lightkeeper houses which housed the Coast Guard Lightkeepers. One of the houses burned down in 1965(?); the other house was moved off the island to nearby Ketchikan, Alaska.

In 1969 the station was automated and the radio beacon was removed. No other buildings and structures at the station stand today, other than an outhouse.

Actually, the northern of the two keepers dwellings was moved in 1964. The southern dwelling was used by the 4 man crew until the station was decommissioned in 1969, and in 1970 the dwelling was moved.

It was listed on the National Register of Historic Places as Mary Island Light Station in 2005.[3][4]

See also[edit]


  1. ^ Mary Island The Lighthouse Directory. University of North Carolina at Chapel Hill. Retrieved 7 June 2016
  2. ^ Alaska Historic Light Station Information & Photography United States Coast Guard. Retrieved 7 June 2016
  3. ^ a b National Park Service (2010-07-09). "National Register Information System". National Register of Historic Places. National Park Service. 
  4. ^ Robert M. Weaver (February 27, 2003). "National Register of Historic Places Registration: Mary Island Light Station / Mary Island Lighthouse (AHRS Site No. KET-024)" (PDF). National Park Service.  and accompanying photos

External links[edit]