Rock Island, FL to Cape San Blas, FL.
A south-north line drawn from the Econfina River Light to the opposite shore.
A line drawn from Gamble Point Light to the southernmost extremity of Cabell Point.
A line drawn from St. Mark's Range Rear Light to St. Mark's Channel Light 11; thence to the southernmost extremity of Live Oak Point; thence in a straight line through Shell Point Light to the southernmost extremity of Ochlockonee Point; thence to Bald Point along longitude 84°20.5′ W.
A line drawn from the south shore of Southwest Cape at longitude 84°22.7′ W. to Dog Island Reef East Light 1; thence to Turkey Point Light 2; thence to the easternmost extremity of Dog Island.
A line drawn from the westernmost extremity of Dog Island to the easternmost extremity of St. George Island.
A line drawn across the seaward extremity of the St. George Island Channel Jetties.
A line drawn from the northwesternmost extremity of Sand Island to West Pass Light 7.
A line drawn from the westernmost extremity of St. Vincent Island to the southeast, highwater shoreline of Indian Peninsula at Longitude 85°13.5′ W.
[CGD 77-118a, 42 FR 35784, July 11, 1977. Redesignated by CGD 81-017, 46 FR 28154, May 26, 1981, as amended by CGD 84-091, 51 FR 7787, Mar. 6, 1986; USCG-2008-0179, 73 FR 35002, June 19, 2008]