New England Lighthouses: A Virtual Guide
Deer Island Thorofare Light
(Mark Island Light)
Stonington, Maine
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Jeremy D'Entremont
Location: Mark Island, Deer Island Thorofare
Nearest town: Stonington
44 08 03 N
68 42 08 W
MapQuest Link
Accessibility: The lighthouse is not open to the public and is best seen by boat.
Station established: 1858; Present lighthouse built: 1858; Automated: 1958
Construction material: Brick
Height of tower: 25 feet; Height of focal plane: 52 feet
Original optic: Fourth-order Fresnel; Present optic: 250 mm
Characteristic: Flashing white every six seconds
Fog signal: One blast every 15 seconds
Other buildings still standing: None
Active U.S. Coast Guard aid to navigation.
Maintained by:
Island Heritage Trust
P.O. Box 42
Deer Isle, ME 04627
Related sites
Deer Isle/Stonington Chamber of Commerce Resources for Maine Travel & Living
Previous lighthouse: Eagle Island Light
Next lighthouse: Isle au Haut Light
Click for Stonington, Maine Forecast 

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