List of Sonic Stores in Castroville, TX Outlet Note Regular Brands Sonic Texas Castroville 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 - Castroville 955 US Highway 90 E (830) 931-6363 People Also Viewed