Old Beaufort Fort (Tabby Ruins)

Remnants of colonial-era tabby construction near Beaufort, representing the fortification tradition that sought to defend Port Royal Sound from seaborne threats. Tabby — a building material made from oyster shells, lime, sand, and water — was the primary construction material for colonial-era fortifications in the Sea Island lowcountry. The ruins represent the pre-Revolutionary effort to defend this strategic harbor.