List of Sonic Stores in Cayce, SC Outlet Note Regular Brands Sonic South Carolina Cayce Rating 4.5 based on 91 votes Official Website https://www.sonicdrivein.com/ Products Snacks Ice Cream Drinks Chicken Hot Dogs Burgers NameAddressPhone Name/Address/Phone Sonic outlet - Cayce 3018 Charleston Hwy (803) 728-0041 People Also Viewed