S.C. Code § 50-25-110
It is unlawful for any person to operate any boat propelled at the time by an inboard or outboard motor at Brighton Beach on May River in Beaufort County, between the low and high tide water marks and between the docks of J. E. Smith on the east and the docks of C. Ray Carter on the west. 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. The supervisor of Beaufort County shall place at each end of this area an appropriate sign designating it as a bathing area only. It is made the special duty of the sheriff of Beaufort County and his deputies to see that the provisions of this section are observed and enforced. 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.
S.C. Code § 50-25-110