Sinton is located in San Patricio County, Texas. It is just twenty eight miles northwest of Corpus Christi. Sinton is located at the center of San Patricio County and is referred to as the “Gateway to the Gulf Coast”. The city is named after David Sinton, a pig-iron industrialist, born in County Armagh, Ireland, who became one of the wealthiest men in America. The city is served by the Sinton Independent School District.