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 254 counties in the Lone Star State, Hidalgo County ranks 18th in terms of size (1,582 square miles). Hidalgo County is in Lower Rio Grande Valley Texas. There is almost 1,000 acres of riverfront land for sale in Texas's Hidalgo County based on recent Land Network data. The combined market value of land and rural real estate for sale here is approximately $1 million. Browse all waterfront property for sale in Hidalgo County on the Land Network 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 Hidalgo County is undeveloped land.