33 CFR § 80.707 - Cape Romain, SC to Sullivans Island, SC.
(a) A line drawn from the westernmost point on Cape Romain to the southeasternmost point on Raccoon Key.
(b) A line drawn from the westernmost extremity of Raccoon Key to the northernmost extremity of Northeast Point.
(c) A line drawn from the southernmost extremity of Bull Island to the easternmost extremity of Capers Island.
(d) A line formed by the overhead power cable from Capers Island to Dewees Island.
(e) A line formed by the overhead power cable from Dewees Island to Isle of Palms.
(f) A line formed by the centerline of the highway bridge between Isle of Palms and Sullivans Island over Breach Inlet.