There was a total of nearly $4 million of land and rural real estate for sale in Iowa's Buena Vista County recently on Land.com. The total of all Buena Vista County land and rural real estate for sale was almost 1,000 acres. Buena Vista County ranks 89th out of 99 counties in the Wrestling State for the combined amount of land currently advertised for sale. Among cities in Buena Vista County with land for sale, Storm Lake had the most land for sale. Buena Vista County is Iowa's 33rd biggest county (580 square miles). It's located in the Western Iowa region of Iowa.