Bay County is in Northwest Florida. Of the 67 counties in the Sunshine State, Bay County is 22nd in terms of its size (1,033 square miles). Recent listings of beachfront homes and property for sale in Florida's Bay County totals about 1,000 acres and a combined market value of roughly $2 million. The most common type of land for sale by combined acreage in Bay County is homesite. The average price of beachfront acreage for sale in Bay County was $1 million.