Island or Feature Name
Grindstone Island

Nationality
US

Centroid Lat/Long
441630N 0760659W

Two-Minute Box
44^18′ x 76^06′

Location and description
Second largest US Thousand Island, north and northwest of Clayton, NY

Former, informal, or alternate names

Municipality
Clayton

County
Jefferson

Province / State
NY

Ports?

Book refs
76^08′ x 44^18′; 76^06′ x 44^18′; 76^04′ x 44^18′

1000islands.co ID #
461

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Data source.