About

Deshler Island, nestled in the Thousand Islands region, lies within the United States. It is positioned in the scenic waters of the St. Lawrence River, specifically in the area known as The Manhattan Group. This idyllic island is located north, or downriver, from the famed Heart Island, which is home to the historic Boldt Castle.

Locally, Deshler Island has also been referred to as “Harbor,” a name that appeared on early water charts. The island is part of the municipality of Alexandria Bay, situated in Jefferson County, New York. This area is renowned for its picturesque landscapes and rich history, drawing visitors from both sides of the Canada-US border. Deshler Island’s specific coordinates place it in a two-minute geographic box, marked as 44^22′ by 75^54′, offering a precise location for navigators and explorers alike.

Island or Feature Name
Deshler Island

Nationality
US

Centroid Lat/Long
442053N 0755515W

Two-Minute Box
44^22′ x 75^54′

Location and description
In or near The Manhattan Group, north (downriver) of Heart Island (with Boldt Castle)

Former, informal, or alternate names
“Harbor”; shown as such on Water

Municipality
Alexandria Bay (V)

County
Jefferson

Province / State
NY

Ports?

Book refs

1000islands.co ID #
298

Search Natural Resources Canada for: Deshler Island
Search Google Maps for: Deshler Island
Search Wikipedia for: Deshler Island
Data source.