Mineral Bluff is a census-designated place and unincorporated community located in Fannin County in the U.S. state of Georgia. Its population was 223 as of the 2020 census. The community is situated 6 miles (10 km) northeast of the city of Blue Ridge, the county seat, 80 miles (130 km) east of Chattanooga, Tennessee, and 100 miles (160 km) north of Atlanta.