Of 82 counties in the Hospitality State, Lamar County ranks 52nd in terms of size (499 square miles). Lamar County is in Coastal Mississippi. Mississippi's Lamar County includes about 1,000 acres of ranches for sale based on recent Land Network data. The combined market value of farmsand rural real estate for sale here was nearly $2 million. Browse all Lamar County ranches for sale on the Land Network to find the ranch that's right for your business or commercial needs, from the sprawling legacy ranch to unbelievable residential ranch for your second home, investment property or retirement nest egg. The most common type of land for sale by combined acreage in Lamar County is residential property.