Great Lakes Islands (International) - Islands

Coordinate system: 4269 - "NAD83"


This data set can be used to identify Great Lakes islands and island complexes in Ontario and the United States. Islands may be defined as natural, artificial, reefs and submerged rocks that are periodically exposed.

This data set includes islands from Lake Superior, Lake Michigan, St. Marys River, Lake Huron, Georgian Bay, St. Clair River, Lake St. Clair, Detroit River, Lake Erie, Niagara River, Welland Canal, Lake Ontario, and the St. Lawrence River.

The Great Lakes Islands (International) - Islands feature is part of the Great Lakes Islands (International) series. The other feature is available on the GeoPortal and can be located by searching the following title:

  • Great Lakes Islands (International) - Grouped Coastal Environments
  • Supplementary data can be used and is available for download from the additional documentation section.

    Additional Documentation