About

Watch Island, nestled in the Thousand Islands region along the US-Canada border, is part of the United States. This island is positioned just off the upriver head of Grindstone Island, offering a strategic location near the International Boundary. Its coordinates are marked at 44°15’01” North latitude and 76°09’14” West longitude, placing it within the municipality of Clayton in Jefferson County, New York.

The island lies within the grid of the “Two-Minute Box,” specifically at 44°16′ x 76°08′, providing a unique point of reference for navigation and mapping enthusiasts. Although no former or alternate names are noted for Watch Island, its proximity to Grindstone Island and its location in the Thousand Islands region make it an intriguing part of New York’s diverse island landscape.

Island or Feature Name
Watch Island [3]

Nationality
US

Centroid Lat/Long
441501N 0760914W

Two-Minute Box
44^16′ x 76^08′

Location and description
Just off the head (upriver) of Grindstone Island, near the International Boundary

Former, informal, or alternate names

Municipality
Clayton

County
Jefferson

Province / State
NY

Ports?

Book refs

1000islands.co ID #
1287

Search Natural Resources Canada for: Watch Island [3]
Search Google Maps for: Watch Island [3]
Search Wikipedia for: Watch Island [3]
Data source.