Bay County is in Northwest Florida. Of the 67 counties in the Everglade State, Bay County ranks 22nd in terms of size (1,033 square miles). There is about 1,000 acres of beachfront homes and property for sale in Bay County, Florida, based on recent Land Network data. The combined market value of land for sale here is about $2 million. The average price of beachfront land for sale in Bay County was $1 million.