About

Penitentiary Shoal is situated in the Thousand Islands region along the Canada-US border. This shoal lies to the southwest of Kingston, Ontario, and is positioned southeast of Portsmouth (Olympic) Harbour, offering a unique point of interest within the waters of the Town of Frontenac Islands. Its precise location is marked by the coordinates 44° 12′ 35″ N and 76° 30′ 36″ W, placing it within the boundaries of Frontenac County in Ontario.

This location, nestled in a historically rich and ecologically diverse area, serves as a notable landmark for those navigating the waters near Kingston. While specific details about the shoal itself are limited, its proximity to key urban centers suggests its relevance to the local maritime landscape. The Thousand Islands region is known for its scenic beauty and Penitentiary Shoal contributes to this picturesque and storied area.

Island or Feature Name
Penitentiary Shoal

Nationality
Canada

Centroid Lat/Long
44° 12′ 35″ N – 76° 30′ 36″ W

Two-Minute Box
44^14 x 76^30′

Location and description
Southwest of Kingston, ONT, and southeast of Portsmouth (Olympic) Harbour

Former, informal, or alternate names

Municipality
Town of Frontenac Islan

County
Frontenac

Province / State
ONT

Ports?

Book refs

1000islands.co ID #
897

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Data source.