Amelia Island is 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.

With 13 miles (21 km) of coastline, Amelia Island is one of the most popular beach destinations on Florida's First Coast. Outdoor activities include sailing, kayaking, and six championship golf courses. There are many restaurants, boutiques, and galleries—as well as a historic downtown shopping district. 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. Known as the "Isle of 8 Flags", it had the following flags flown over it since 1562: France, Spain, Great Britain, Spain (again), the Patriots of Amelia Island, the Green Cross of Florida, Mexico, the Confederate States of America, and the United States.