(a) A line drawn from the southernmost extremity to Cape Fear to latitude 33°49.5′ N. longitude 78°03.7′ W. (Cape Fear River Entrance Lighted Bell Buoy “2CF”); thence to Oak Island Light.

(b) A line drawn from the southernmost extremity of Bird Island at approximate position latitude 33°51.2′ N. longitude 78°32.6′ W. to latitude 33°50.3′ N. longitude 78°32.5′ W. (Little River Inlet Entrance Lighted Whistle Buoy “2LR”); thence to the northeasternmost extremity of Waties Island at approximate position latitude 33°51.2′ N. longitude 78°33.6′ W.

(c) A line drawn from the seaward extremity of Murrells Inlet north jetty to latitude 33°31.5′ N. longitude 79°01.6′ W. (Murrells Inlet Lighted Bell Buoy “MI”); thence to Murrells Inlet South Jetty Light.

(d) A line drawn from Georgetown Light to latitude 33°11.6′ N. longitude 79°05.4′ W. (Winyah Bay Lighted Bell Buoy “2WB”); thence to the southernmost extremity of Sand Island.