The Amelia Island Light is the oldest existing lighthouse in the state of Florida in the United States. It is located near the northern end of Amelia Island in the northeastern part of the state. Its light marks St. Marys Entrance, the inlet leading to St. Marys River, the Cumberland Sound and the harbor of Fernandina Beach, Florida along the Amelia River. The white light flashes every ten seconds which turns red from 344° to 360° when covering the shoal water in the vicinity of Nassau Sound.
