The following information was taken directly from the South Carolina legislative website at http://www.scstatehouse.net/code/statmast.htm

SC CONSTITUTION SECTION 33.
Age of consent.
— No unmarried woman shall legally consent to sexual intercourse who shall not have attained the age of fourteen years. (1999 Act No. 3, Section 1, eff February 16, 1999)

Editors Note: Although the AOC in South Carolina is hard coded into the constitution, state statutes specify criminality for sexual conduct under the age of 16.

SECTION 16-15-140. Committing or attempting lewd act upon child under sixteen.

It is unlawful for a person over the age of fourteen years to wilfully and lewdly commit or attempt a lewd or lascivious act upon or with the body, or its parts, of a child under the age of sixteen years, with the intent of arousing, appealing to, or gratifying the lust or passions or sexual desires of the person or of the child.

A person violating the provisions of this section is guilty of a felony and, upon conviction, must be fined in the discretion of the court or imprisoned not more than fifteen years, or both.

SECTION 16-3-655. Criminal sexual conduct with minors.

(1) A person is guilty of criminal sexual conduct in the first degree if the actor engages in sexual battery with the victim who is less than eleven years of age.

(2) A person is guilty of criminal sexual conduct in the second degree if the actor engages in sexual battery with a victim who is fourteen years of age or less but who is at least eleven years of age.

(3) A person is guilty of criminal sexual conduct in the second degree if the actor engages in sexual battery with a victim who is at least fourteen years of age but who is less than sixteen years of age and the actor is in a position of familial, custodial, or official authority to coerce the victim to submit or is older than the victim. [Emphasis added].

SECTION 16-3-659.
Criminal sexual conduct: males under fourteen not presumed incapable of committing crime of rape.

The common law rule that a boy under fourteen years is conclusively presumed to be incapable of committing the crime of rape shall not be enforced in this State. Provided, that any person under the age of 14 shall be tried as a juvenile for any violations of Sections 16-3-651 to 16-3-659.1.

SECTION 16-15-50. Seduction under promise of marriage.

A male over the age of sixteen years who by means of deception and promise of marriage seduces an unmarried woman in this State is guilty of a misdemeanor and, upon conviction, must be fined at the discretion of the court or imprisoned not more than one year. There must not be a conviction under this section on the uncorroborated testimony of the woman upon whom the seduction is charged, and no conviction if at trial it is proved that the woman was at the time of the alleged offense lewd and unchaste. If the defendant in any action brought under this section contracts marriage with the woman, either before or
after the conviction, further proceedings of this section are stayed.

SECTION 16-15-60. Adultery or fornication.

Any man or woman who shall be guilty of the crime of adultery or fornication shall be liable to indictment and, on conviction, shall be severally punished by a fine of not less than one hundred dollars nor more than five hundred dollars
or imprisonment for not less than six months nor more than one year or by both fine and imprisonment, at the discretion of the court.

SECTION 16-15-80. "Fornication" defined.

"Fornication" is the living together and carnal intercourse with each other or habitual carnal intercourse with each other without living together of a man and woman, both being unmarried.

SECTION 16-15-140.
Committing or attempting lewd act upon child under sixteen.

It is unlawful for a person over the age of fourteen years to wilfully and lewdly commit or attempt a lewd or lascivious act upon or with the body, or its parts, of a child under the age of sixteen years, with the intent of arousing,
appealing to, or gratifying the lust or passions or sexual desires of the person or of the child.

A person violating the provisions of this section is guilty of a felony and, upon conviction, must be fined in the discretion of the court or imprisoned not more than fifteen years, or both.

SECTION 16-15-365.
Exposure of private parts in lewd and lascivious manner, aiding or procuring person to perform such act, or permitting use of premises for such act prohibited; penalties.

Any person who willfully and knowingly exposes the private parts of his person in a lewd and lascivious manner and in the presence of any other person, or aids or abets any such act, or who procures another to perform such act, or any person, who as owner, manager, lessee, director, promoter, or agent, or in any other capacity knowingly hires, leases, or permits the land, building, or premises of which he is owner, lessee, or tenant, or over which he has control, to be used for purposes of any such act, is guilty of a misdemeanor and, upon conviction, must be imprisoned for not more than six months or fined not more than five hundred dollars, or both.