Folly Island

Folly Island, South Carolina
Folly Beach
Location of Folly Beach in
South Carolina
Coordinates: 32°39′38″N 79°55′52″W / 32.66056°N 79.93111°W / 32.66056; -79.93111
Incorporated (Town)1938
Incorporated (City)1957
Area
  Total
18.87 sq mi (48.87 km2)
  Land12.51 sq mi (32.39 km2)
  Water6.36 sq mi (16.48 km2)
Elevation
16 ft (5 m)
Population
 (2010)
  Total
37,056
  Estimate 
(2019)
2,660
  Density212.68/sq mi (82.12/km2)
Time zoneUTC-5 (EST)
  Summer (DST)UTC-4 (EDT)
FIPS code45-26035
GNIS feature ID1231287

Folly Island is a barrier island in the Atlantic Ocean near Charleston, South Carolina. It is one of the Sea Islands and is within the boundaries of Charleston County, South Carolina. During the American Civil War, the 7-square-mile (18 km2) island served as a major staging area for troops of the Union Army that were attacking Confederate forces in the Charleston region. The largest settlement on Folly Island is Folly Beach.