Overview Calawassie Island is located in Beaufort, South Carolina. Residents of Callawassie Island experience a rich relationship with nature, neighbors and friends. Beautiful sunrise greets Callawassie Island on most mornings and the sun sets over the marsh and river, on this subtropical Sea Island surrounded by the Colleton, Okatie and Chechesse Rivers. The residents experience all the luxurious amenities, facilities and services. The clubhouse is the heart of the community. It is built in the traditional low country style with sweeping verandas and large windows. It also includes swimming pool and cabana. Those who like to fish and cast for shrimp and crab enjoy using the dock at the River Club and Sugar Mill ruins. Adventurous boaters can make their way up or down the intercostals waterway. Wild life is abundant in Callawassie Island. The Islands Ecology club protects the unique and pristine environment which gives an entry to another world.