Canadian Coast Guard
Main Duck Island has a sheltered harbor, one of the few in the area. The island is within St. Lawrence Islands National Park.
Tower Height: 80
Height of Focal Plane: 77
Characteristic and Range: Flashing white every 6 seconds, visible for 17 miles.
Description of Tower: Octagonal concrete tower.
This light is operational
Date Established: 1914
Date Present Tower Built: 1914
Optics: Third order Fresnel lens.
Current Use: Active aid to navigation.
Open To Public? On limited basis.
Access is restricted but public tours are available - see www.pec.on.ca/naturestuff/quintenaturalist/mainducktours.html
Keepers: J. Clark (1914-1915), Fred Bongard (1915-1921), Wesley Thomas (1921-1953), Harry Dunne (1954-1958), Coleman Main (1959-?), Charles Murray Ribble (assistant, c. 1959-?), Kenneth McConnell (c. 1960s), Fred Holdaway (assistant, c. 1960s)