THE GRAND ISLE COUNTY LAND BRIEF
Land in the
Champlain Lowlands setting.
Grand Isle County has 81.8 square miles of land in Vermont. The mapped landscape region in Grand Isle County is Champlain 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 ↗ · Regional mapping across the county footprint
Finding your parcel within Grand Isle County
The atlas lists 7 cities, towns, townships, and Census communities associated with Grand Isle County, including Alburgh, Grand Isle, South Hero. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Grand Isle County by land and water
The Census records 111.6 square miles of water within Grand Isle County, or 57.7% of its total area. That share is close to Grand Isle County’s 57.7%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Grand Isle County has 6.1 times the land area of nearby North Hero town (13.5 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Chittenden County, Franklin County within Vermont. A tract near one of these lines should be matched to the county identifier on its own records.

