Of 77 counties in the Sooner State, Pittsburg County ranks eighth in terms of size (1,377 square miles). Pittsburg County is in Kiamichi Country Oklahoma. Pittsburg County, Oklahoma, includes about 2,000 acres of riverfront land and property for sale based on recent Land Network data. The combined market value of ranches, farms, hunting land and other rural land and acreage for sale here was almost $4 million. Browse all waterfront property for sale in Pittsburg 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 Pittsburg County is house.