I live in MB, the place to go is
Sea Critters Depot
3002-A Airport Blvd
North Myrtle Beach, SC
(843) 272-3657
his name is Bruce, he's only open on Tuesday nights, Thursday nights, Saturday (all day), and Sunday (all day). the rest of the time he's maintaining public aquariums
I have been to Tideland Aquatics and Age of Aquariums in Charleston, Bruce puts them both to shame and his prices on most stuff is dirt cheap. plus, while his shop is small, he only sells saltwater stuff.