About

Third Brother Island is nestled within the scenic Thousand Islands region along the US-Canada border, specifically within the United States. This small island falls under the jurisdiction of Hammond in St. Lawrence County, New York. Its precise location is marked by the coordinates 44°24’39” N and 75°50’21” W, positioning it to the north-northwest, downriver from Hemlock Island.

The island is part of a picturesque area known for its natural beauty and rich history, attracting visitors who appreciate the unique charm of island landscapes. While not much is detailed about Third Brother Island’s individual characteristics, its presence in the Thousand Islands places it within a region celebrated for its aquatic vistas and a myriad of recreational opportunities. As part of the larger tapestry of islands, it contributes to the diverse and captivating environment that defines this borderland between New York State and Canada.

Island or Feature Name
Third Brother Island

Nationality
US

Centroid Lat/Long
442439N 0755021W

Two-Minute Box
44^26′ x 75^50′

Location and description
North-nowthhwest (downriver) of Hemlock Island

Former, informal, or alternate names

Municipality
Hammond

County
St. Lawrence

Province / State
NY

Ports?

Book refs

1000islands.co ID #
1213

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Data source.