Section 80.720 - St. Simons Island, GA to Amelia Island, FL(a) A line drawn from St. Simons Light to the northernmost tank on Jekyll Island charted in approximate position latitude 31°05.9' N., longitude 81°24.5' W.(b) A line drawn from the southernmost tank on Jekyll Island charted in approximate position latitude 31°01.6' N., longitude 81°25.2' W., to coordinate latitude 30°59.4' N., longitude 81°23.7' W. (0.5 nautical mile east of the charted position of St. Andrew Sound Lighted Buoy 32); thence to the abandoned lighthouse tower on the north end of Little Cumberland Island charted in approximate position latitude 30°58.5' N., longitude 81°24.8' W.(c) A line drawn across the seaward extremity of the St. Marys River Entrance Jetties.CGD 77-118a, 42 FR 35784, July 11, 1977. Redesignated by CGD 81-017, 46 FR 28154, May 26, 1981, as amended by USCG-2013-0397, 78 FR 39172 , July 1, 2013