Surfside Beach is a town in Horry County, South Carolina, United States. Its nickname is "The Family Beach". The population was 3,837 at the 2010 census, down from 4,425 in 2000. It is considered a part of the Grand Strand.

Horry County is the easternmost county in the U.S. state of South Carolina. As of the 2020 census, its population was 351,029. It is the fourth-most populous county in South Carolina. The county seat is Conway.