SC regs-

Shining
In all game zones, the use of artificial lights for the purpose of observing or harassing wildlife is unlawful, except that a property owner, lessee, or person with written permission from the property owner may use artificial lights to observe wildlife prior to 11:00 PM This section does not prohibit an owner of real property from using artificial lights for the purpose of protecting the property.

If you do not own or lease property you can not shine deer in SC.