THE BEAUFORT COUNTY LAND BRIEF
Land in the
Sea Islands/Coastal Marsh setting.
Beaufort County has 576 square miles of land in South Carolina. 3 mapped landscape regions meet across Beaufort County: Sea Islands/Coastal Marsh, Carolina Flatwoods, Mid-Atlantic 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
Beaufort County intersects 3 mapped regional units. The largest mapped shares are:
- Sea Islands/Coastal Marsh84.6%
- Carolina Flatwoods14.9%
- Mid-Atlantic Floodplains and Low Terraces0.5%
Middle Atlantic Coastal Plain in Beaufort County
Low coastal plains contain terraces, estuaries, marshes and barrier islands. Unconsolidated sediments underlie this varied coastal setting, with forest patterns changing near streams and low-lying areas.
Read the regional source ↗Finding your parcel within Beaufort County
The atlas lists 17 cities, towns, townships, and Census communities associated with Beaufort County, including Hardeeville, Bluffton, Ridgeland. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Beaufort County by land and water
The Census records 347.5 square miles of water within Beaufort County, or 37.6% of its total area. That share is close to Beaufort County’s 37.6%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Beaufort County has 29.8 times the land area of nearby Port Royal town (19.3 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Colleton County, Hampton County, Jasper County within South Carolina. A tract near one of these lines should be matched to the county identifier on its own records.

