Amelia Island is one of the southernmost of the Sea Islands, a chain of barrier islands that stretches along the east coast of the United States from South Carolina to Florida. It is 13 miles long (21 km) and approximately 4 miles (6 km) wide at its widest point. Amelia Island is situated south of Cumberland Island, Georgia, off the coast of Florida in Nassau County. Fernandina Beach and Amelia City are both located on the island. It is host to the Isle of Eight Flags Shrimp Festival, the Amelia Island Jazz Festival, the Amelia Island Chamber Music Festival, the Amelia Island Concours d'Elegance and the Bausch & Lomb Tennis Championships.