There was a total of $693 million of land and rural real estate for sale in Santa Rosa County recently on Land.com. The total acreage of all Santa Rosa County farms, rural land, hunting land and other land for sale was 6,000 acres. Santa Rosa County ranks sixth out of 67 counties in the state for the total number of acres of land currently advertised for sale. Among cities in Santa Rosa County with land and rural real estate for sale, Milton featured the most land for sale. Santa Rosa County is the 17th largest county (1,173 square miles) in Florida. It's located in the Northwest Florida region of the state.