quite a bit,
this site has a lot, but i'll only list the movies i've seen
ace ventura:nature calls, had a few bits filmed on edisto island
days of thunder, was filmed at the darlington track
deliverance, filmed mostly on or by the chatooga river
die hard: with a vengeance, the scene where he's on the interstate and jumps in the water was filmed just a few miles away
forrest gump, had bits filmed all over the place
full metal jacket, parris island
gone fish'in, beaufort
the great santini, also beaufort
the legend of bagger vance, beaufort again, as well as bluffton, charleston, hilton head, and kiawah island
longest yard (the first one), hilton head
the patriot, was filmed was filmed all over the place and quite a few scenes are easily recognizable
rules of engagement, hunting island
the strangers, florence
that darn cat, aiken
If a black-hawk flies over a light show and is not harmed, does that make it immune to lasers?