Riverside Plantation Tabby Ruins

Riverside Plantation Tabby Ruins is a historic archeological site located on Saint Helena Island near Frogmore, Beaufort County, South Carolina. The ruins are significant as an example of early- to mid-19th century tabby construction. The ruins are the remains of an outbuilding associated with the Riverside Plantation and have great archaeological potential.

It was listed in the National Register of Historic Places in 1988.