THE GRAND ISLE LAND BRIEF
Land in the
Champlain Lowlands setting.
Grand Isle town has 16.4 square miles of land in Grand Isle County. Its Census reference point is in Champlain Lowlands, within Eastern Great Lakes Lowlands.
Glacially shaped lowlands and irregular plains border the Great Lakes and adjacent hills. The lakes influence regional weather, while local landforms reflect both glacial deposits and former shorelines.
Regional context: Eastern Great Lakes Lowlands ↗ · Classification at the Census reference point
Grand Isle and Grand Isle County
Grand Isle is associated with Grand Isle County in the Census boundary data. Start with the parcel’s tax bill to match the property to that jurisdiction, then confirm which government handles its land use.
Grand Isle by land and water
The Census records 18.6 square miles of water within Grand Isle, or 53.1% of its total area. It is 4.6 percentage points lower than the 57.7% recorded for Grand Isle County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Grand Isle town has 15.2 times the land area of nearby South Hero CDP (1.08 square miles). These areas describe boundaries, not comparable property prices.

