About

Dock Island, known also as “Lower Twin” or “Submarine,” is nestled in the picturesque Thousand Islands region along the Canada-US border. This island is part of the renowned “Twin Sisters,” a pair of islands that capture the imagination of those exploring the waters of the St. Lawrence River. Dock Island falls under the jurisdiction of the municipality of Leeds and the Thousand Islands, situated in the county of Leeds and Grenville, Ontario.

As part of the Thousand Islands, Dock Island contributes to a region celebrated for its breathtaking scenery and diverse natural beauty. The area attracts visitors from around the world who seek to experience its unique blend of land and water, where each island presents its own charm and character. While details specific to Dock Island’s size or features remain limited, its place within this iconic archipelago underscores its significance in this enchanting landscape.

Island or Feature Name
Dock Island

Nationality
Canada

Centroid Lat/Long

Two-Minute Box

Location and description
One of the “Twin Sisters”

Former, informal, or alternate names
“Lower Twin”, “Submarine”

Municipality
Leeds and Thousand Is.

County
Leeds and Grenville

Province / State
ONT

Ports?

Book refs

1000islands.co ID #
309

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Data source.