S.C. Code Ann. § 54-7-670
(F) This section limits the recovery of objects or materials from submerged archaeological historic property and submerged paleontological property under a hobby license to a limited number of objects which can be recovered by hand. All powered mechanical dredging and lifting devices and buoyancy equipment except a personal flotation device of any sort are prohibited including, but not limited to, prop wash, air lift, water dredge, and pneumatically-operated lift bags under the license.
(1) A person with a hobby license may collect from submerged lands of this State a reasonable number of artifactual items and/or complete and fragmented fossil specimens a day that:
(G)
(3)
(H)
(2)