South Chesconessex is an unincorporated community and census-designated place (CDP) in Accomack County, Virginia, United States. The census uses the name Southside Chesconessex. It was first listed as a CDP in 2010. As of the 2020 census, it had a population of 115.
The CDP lies at an elevation of 3 feet.
South Chesconessex was first listed as a census designated place in the 2010 U.S. census.