THE MONROE COUNTY LAND BRIEF
Land in the
Southern Coast and Islands setting.
Monroe County has 983 square miles of land in Florida. 3 mapped landscape regions meet across Monroe County: Southern Coast and Islands, Everglades, Big Cypress.
Very low-relief southern Florida terrain includes marsh, swamp, Everglades and palmetto-prairie settings. Small elevation differences can correspond to substantial changes in vegetation and water conditions.
Regional context: Southern Florida Coastal Plain ↗ · Regional mapping across the county footprint
Where the landscape changes
Monroe County intersects 3 mapped regional units. The largest mapped shares are:
- Southern Coast and Islands68.5%
- Everglades17.3%
- Big Cypress14.1%
Finding your parcel within Monroe County
The atlas lists 13 cities, towns, townships, and Census communities associated with Monroe County, including North Key Largo, Key Largo, Big Pine Key. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Monroe County by land and water
The Census records 4,306.5 square miles of water within Monroe County, or 81.4% of its total area. That share is close to Monroe County’s 81.4%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Monroe County has 52.9 times the land area of nearby North Key Largo CDP (18.6 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Collier County, Miami-Dade County within Florida. A tract near one of these lines should be matched to the county identifier on its own records.

