46 CFR §7.80

1. (a)A line drawn from the southernmost extremity of Savannah Beach on Tybee Island 255° true across Tybee Inlet to the shore of Little Tybee Island south of the entrance to Buck Hammock Creek.
2. (b)A line drawn from the southernmost extremity of Little Tybee Island at Beach Hammock to the easternmost extremity of Wassaw Island.
3. (c)A line drawn from Wassaw Island in approximate position latitude 31°52.5′ N. longitude 80°58.5′ W. to latitude 31°48.3′ N. longitude 80°56.8′ W. (Ossabaw Sound North Channel Buoy “OS”); thence to latitude 31°39.3′ N. longitude 81°02.3′ W. (St. Catherines Sound Buoy “St. C.”); thence to latitude 31°31.2′ N. longitude 81°03.8′ W. (Sapelo Sound Buoy “S”); thence to the easternmost extremity of Blackbeard Island at Northeast Point.
4. (d)A line drawn from the southernmost extremity of Blackbeard Island to latitude 31°19.4′ N. longitude 81°11.5′ W. (Doboy Sound Lighted Buoy “D”); thence to latitude 31°04.1′ N. longitude 81°16.7′ W. (St. Simons Lighted Whistle Buoy “ST S”).