Port Royal Real Estate; Port Royal is a charming lowcountry town located on the Beaufort River and Battery Creek in Beaufort County, South Carolina. Population in the 2010 census was 10,678. Port Royal is famous for its annual Soft Shell Crab Festival in late April during the short soft shell crab season. The town is quaint and charming and has numerous festivals complete with music and local cuisine. Local shops, restaurants and art galleries are common and the neighborhood elementary school is in the heart of the town. Architecture is mostly a coastal cottage style with porches and sidewalks. Everything is walking distance or short a golf cart ride including the Sands the local beach.