THE CHATHAM COUNTY LAND BRIEF
Land in the
Sea Islands/Coastal Marsh setting.
Chatham County has 432.8 square miles of land in Georgia. 3 mapped landscape regions meet across Chatham County: Sea Islands/Coastal Marsh, Sea Island Flatwoods, Floodplains and Low Terraces.
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 ↗ · Regional mapping across the county footprint
Where the landscape changes
Chatham County intersects 3 mapped regional units. The largest mapped shares are:
- Sea Islands/Coastal Marsh68.8%
- Sea Island Flatwoods29.8%
- Floodplains and Low Terraces1.4%
Finding your parcel within Chatham County
The atlas lists 17 cities, towns, townships, and Census communities associated with Chatham County, including Savannah, Pooler, Skidaway Island. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Chatham County by land and water
The Census records 197.2 square miles of water within Chatham County, or 31.3% of its total area. That share is close to Chatham County’s 31.3%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Chatham County has 220.7 times the land area of nearby Isle of Hope CDP (1.96 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Bryan County, Effingham County, Liberty County within Georgia. A tract near one of these lines should be matched to the county identifier on its own records.

