THE PORT ST. JOE LAND BRIEF
Land in the
Gulf Barrier Islands and Coastal Marshes setting.
Port St. Joe city has 9.37 square miles of land in Gulf County. Its Census reference point is in Gulf Barrier Islands and Coastal Marshes, 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
Port St. Joe and Gulf County
Port St. Joe is associated with Gulf 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.
Port St. Joe by land and water
The Census records 2.6 square miles of water within Port St. Joe, or 21.7% of its total area. It is 8.6 percentage points lower than the 30.3% recorded for Gulf County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Port St. Joe city has 3.8 times the land area of nearby Mexico Beach city (2.44 square miles). These areas describe boundaries, not comparable property prices.

