South Daytona is a city in Volusia County, Florida, United States. The population was 12,252 at the 2010 census.

South Daytona was once a town called Blake with some forty resident families and as many more non-resident property holders. Many of the early settlers profitably engaged in orange culture and vegetable gardening. According to the National Archives in Washington, D.C., Blake opened its first post office on August 19, 1878. Circa 1886, the first train came as far as Daytona, and ten years later the line was extended to Miami. Soon thereafter, a railroad station was built at Big Tree Crossing.