S.C. Code Ann. § 50-25-120

It is unlawful for any person to operate a boat propelled at the time by an inboard or outboard motor between the low and high tide water marks and within two hundred feet east or west of a dock owned by George Bailey at Bailey's Beach on the north side of the Colleton River in Beaufort County. It is declared that the operation of such craft in the area referred to constitutes an undue hazard to persons using the area on this beach for bathing and swimming. Any violation of the provisions of this section is declared to be a misdemeanor and, upon conviction, the offender shall be fined not exceeding one hundred dollars or be imprisoned for a term not exceeding thirty days.