List of Sonic Stores in Port Lavaca, TX Outlet Note Regular Brands Sonic Texas Port Lavaca 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 Drive-In outlet - Port Lavaca 411 State Highway 35 S (361) 552-2303 Sonic outlet - Port Lavaca 411 S. Interstate 35 (361) 552-3526 People Also Viewed