Aransas County is located in the The Gulf Coast region of Texas. South Texas is typically classified as the area between the San Antonio metro area and south to the Rio Grande and Gulf of Mexico. Of the 254 counties in the Lone Star State, Aransas County ranks 249th in terms of size (161,327 acres). Browse all waterfront property for sale in Aransas County on Land And Farm to find the marina, lakefront and other recreational property that meets your needs, from waterside land perfect as a retirement investment to existing residential waterfront land and property for hunting, fishing and other outdoor-recreation pursuits! The most common type of land for sale by combined acreage in Aransas County is residential land.