Islandton is an unincorporated community and census-designated place in Colleton County, South Carolina, United States.

[4] South Carolina Highway 63 passes through the community, leading east 17 miles (27 km) to Walterboro, the county seat, and southwest 10 miles (16 km) to Varnville.

Islandton has a post office with ZIP code 29929.

[7] The public high school for the entire county is Colleton County High School.

This South Carolina state location article is a stub.