About

South McNair Shoal lies nestled in the Thousand Islands region along the Canada-US border, specifically within Canadian waters. This shoal is part of the scenic Three Sisters Group and can be found to the west of Bogardus Island, a feature within the United States. Its precise location is northeast of the harbor in Brockville, Ontario, offering a unique maritime landmark in this bustling area.

Within the administrative boundaries of the City of Brockville, South McNair Shoal falls under the jurisdiction of the County of Leeds and Grenville in Ontario. Its coordinates, at 44° 35′ 30″ N and 75° 40′ 05″ W, place it within a two-minute box identified as 44^36′ x 75^38′. Although not widely known by alternate names, this shoal contributes to the intricate network of islands and water formations that define the Thousand Islands, a region celebrated for its natural beauty and navigational challenges.

Island or Feature Name
South McNair Shoal

Nationality
Canada

Centroid Lat/Long
44° 35′ 30″ N – 75° 40′ 05″ W

Two-Minute Box
44^36′ x 75^38′

Location and description
West of Bogardus Island (US) in the Three Sisters Group noirtheast of Brockville, ONT harbor

Former, informal, or alternate names

Municipality
City of Brockville

County
Leeds and Grenville

Province / State
ONT

Ports?

Book refs

1000islands.co ID #
1125

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Data source.