S.C. Code Ann. § 30-5-230

It shall be lawful for the owner of any real property or any interest therein or for any holder of a lien thereon to have a plat thereof, or a blueprint, tracing, photostatic or other copy of a plat thereof recorded in the office of the register of deeds or in the office of the clerk of court in those counties in which the office of register of deeds does not exist, of the county in which such property, or any part thereof, is situated. When any such plat or blueprint, tracing, photostatic or other copy of such plat is affixed or filed in the book provided by any such officer for that purpose and duly indexed, it shall be deemed a recording thereof.