S.C. Code § 51-13-750
The Authority shall have jurisdiction over the lands, waters, shores, spoil areas and marshes of that area in Charleston harbor in Charleston County consisting of lands, shores and marshes known as Hog Island and lands, shores, marshes and spoil areas immediately adjacent to said Island; being bounded on the north by the rights-of-way of U.S. Highway 17 and of the Cooper River bridges, on the northeast by a creek running from said right-of-way to Shem Creek, on the east by Shem Creek, on the south by Hog Island channel, and on the west by the Cooper River, all of which area is hereby designated as Patriot's Point and shall be known and described as such; and the Authority may take, exclusively occupy, use and possess, to the extent necessary for carrying out the provisions of this article, any lands owned by the State within the area hereinabove described, including shores, waters, marshes, swamps and overflowed lands, bottoms of streams, and bays within the area, and the riparian rights pertaining thereto; excluding the adjacent navigation channels of Charleston harbor; provided such use may be limited by navigation rights or other easements reserved by the State or the United States and by operation and maintenance of the harbor, channels and port of Charleston by the State Ports Authority. When so taken and occupied, due notice of such taking and occupancy having been filed with the Secretary of State, such areas are hereby granted to and shall be the property of the Authority, subject to the limitations for navigation and harbor and port uses above provided, and the laws of the United States with respect to navigable waters. For the purposes of this section, the meaning of the term "use" shall include the removal of material, including spoil or fill material, from and the placing of such material on any part of the lands, shores, marshes and areas hereinabove described. In the event it shall be held by a court of competent jurisdiction that there is any property in the above described areas which may not be so granted by the State, the provisions of this section shall continue of full force and effect as to all other areas so granted to the Authority, and the remainder may be purchased or condemned by the Authority in the manner hereinafter provided.
S.C. Code § 51-13-750