THE SANIBEL LAND BRIEF
Land in the
Southwestern Florida Flatwoods setting.
Sanibel city has 16.2 square miles of land in Lee County. Its Census reference point is in Southwestern Florida Flatwoods, within Southern Coastal Plain.
Low plains mingle with barrier islands, lagoons, marshes and inland lake districts. Coastal and inland settings vary substantially within this warm southeastern landscape.
Regional context: Southern Coastal Plain ↗ · Classification at the Census reference point
Sanibel and Lee County
Sanibel is associated with Lee 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.
Sanibel by land and water
The Census records 17 square miles of water within Sanibel, or 51.3% of its total area. It is 2.8 percentage points higher than the 48.4% recorded for Lee County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Sanibel city has 13.7 times the land area of nearby Captiva CDP (1.18 square miles). These areas describe boundaries, not comparable property prices.

