NULL Of 254 counties in the Lone Star State, Zapata County ranks 69th by size (1,058 square miles). Zapata County is in Rio Grande Plains Texas. Recent listings of lakefront property for sale in Zapata County, Texas, totals almost 1,000 acres and a combined market value of $600,000. The most common type of land for sale by combined acreage in Zapata County is ranches. Browse all waterfront property for sale in Zapata 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 Zapata County is ranches.