St. Martin Island Light

St. Martin Island Light
St. Martin Island Light USCG Archive
Location St. Martin Island Lake Michigan
Coordinates 45°30′10″N 86°45′27″W / 45.50278°N 86.75750°W / 45.50278; -86.75750Coordinates: 45°30′10″N 86°45′27″W / 45.50278°N 86.75750°W / 45.50278; -86.75750
Year first constructed 1905
Year first lit 1905
Foundation Granite[1]
Construction Steel exoskeleton[1]
Markings / pattern white with black lantern[1]
Height 75 ft (23 m)[2]
Focal height 81 feet (25 m)[3]
Original lens occulting 4th Order Fresnel illuminated by a 24,000 candlepower incandescent oil vapor lamp. Rotating red and white flash panels.[4]
Current lens 7.5-inch (190 mm) Tideland Signal acrylic lens[5]
Range 18 nautical miles (33 km; 21 mi)[6]
Characteristic Al W R 10s: W fl 5s ec.; R fl 5s ec. Light visible from 135° to 355°, dark sector covering island.[6]
ARLHS number USA-802[7][8]
USCG number

7-21450

St. Martin Island Light Station
Nearest city Fairport, Michigan
Area 2 acres (0.81 ha)
MPS U.S. Coast Guard Lighthouses and Light Stations on the Great Lakes TR
NRHP reference # 84001387[9]
Added to NRHP July 19, 1984
Heritage place listed on the National Register of Historic Places Edit this on Wikidata

St. Martin Island Light is an exoskeleton lighthouse that marks one of four passages between Lake Michigan and the bay of Green Bay.[10] Constructed in 1905, this light tower is the only example in the US of a pure exoskeletal tower on the Great Lakes. Similar designs exist in Canada.[11] Painted white, the hexagonal tower is made of iron plates which are supported by six exterior steel posts that have latticed buttresses.[4][12]

The cream city brick lightkeeper's house was modeled after that used for the Plum Island Range Lights.[4]

It was listed on the National Register of Historic Places on July 19, 1984, Reference #84001387 as St. Martin Light Station (U.S. Coast Guard/ Great Lakes TR). It is not on the state list/inventory.[13] A steam fog signal was also installed.[14] which was thereafter replaced by a diaphone.[4]

The lighthouse keeper's dwelling has been abandoned and "is in poor condition."[12]

The light station is closed to the public. It is managed by in partnership with the Little Traverse Bay Band of the Odawa Indian Nation.[11][15]

References

  1. 1 2 3 "Historic Light Station Information and Photography: Michigan". United States Coast Guard Historian's Office.
  2. ↑ Pepper, Terry. "Database of Tower Heights". Seeing the Light. terrypepper.com.
  3. ↑ Pepper, Terry. "Database of Focal Heights". Seeing the Light. terrypepper.com.
  4. 1 2 3 4 Pepper, Terry, Seeing the Light, St. Martin Island Lighthouse.
  5. ↑ Michigan Lighthouse Conservancy, St. Martin Island Light.
  6. 1 2 Light List, Volume VII, Great Lakes (PDF). Light List. United States Coast Guard.
  7. ↑ "Amateur Radio Lighthouse Society, St. Martin Island (Lake Michigan) Light ARLHS USA-802".
  8. ↑ "Amateur Radio Lighthouse Society, World List of Lights". Archived from the original on 2009-04-21.
  9. ↑ National Park Service (2009-03-13). "National Register Information System". National Register of Historic Places. National Park Service.
  10. ↑ Wobser, David, St. Martin Island Light, Boatnerd.
  11. 1 2 Rowlett, Russ. "Lighthouses of the United States: Michigan's Eastern Upper Peninsula". The Lighthouse Directory. University of North Carolina at Chapel Hill.
  12. 1 2 Lighthouse Depot, St. Martin Island Light.
  13. ↑ National Park Service Maritime History Project, Michigan Lighthouses, Inventory of Historic Light Stations, St. Martin Island Light
  14. ↑ Saint Martin Island Light Station, Michigan Historic Sites Online,
  15. ↑ Little Traverse Bay Band of the Odawa Indian Nation.
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