About

Sheaffe Island is nestled within the Thousand Islands region along the Canada-US border, marking its presence in the scenic waters of the Saint Lawrence River. This Canadian island, positioned southeast of De Rottenburg Island, belongs to the Brock Group, a cluster of islands celebrated for their natural beauty and historical significance. The island’s coordinates are approximately 44° 32′ 55″ N and 75° 43′ 19″ W, placing it within the jurisdiction of Elizabethtown-Kitley in Leeds and Grenville County, Ontario.

Historically, Sheaffe Island has been known by several names, including “Black Charlie” and “Shaeffe,” reflecting its rich past and the diverse influences on the region. The island is situated within the two-minute box of 44^34′ x 75^42′, a navigational reference used for charting and exploring the Thousand Islands. As part of Ontario, Sheaffe Island offers a glimpse into the natural and cultural tapestry of this iconic archipelago, known for its unique blend of Canadian and American heritage.

Island or Feature Name
Sheaffe Island

Nationality
Canada

Centroid Lat/Long
44° 32′ 55″ N – 75° 43′ 19″ W

Two-Minute Box
44^34′ x 75^42′

Location and description
In or near The Brock Group, southeast (upriver) of De Rottenburg Island

Former, informal, or alternate names
“Black Charlie,” “Shaeffe”

Municipality
Elizabethtown-Kitley

County
Leeds and Grenville

Province / State
ONT

Ports?

Book refs

1000islands.co ID #
1074

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