(a) A line drawn from latitude 31°04.1? N. longitude 81°16.7? W. (St. Simons Lighted Whistle Buoy “ST S”) to latitude 30°42.7? N. longitude 81°19.0? W. (St. Mary’s Entrance Lighted Whistle Buoy “1”); thence to Amelia Island Light.

(b) A line drawn from the southernmost extremity of Amelia Island to latitude 30°29.4? N. longitude 81°22.9? W. (Nassau Sound Approach Buoy “6A”); thence to the northeasternmost extremity of Little Talbot Island.