No. 24 McDonald Family
410,500 acres (NEW TO LIST)
Based in Mountain Brook, Alabama, this family maintains the vast majority of its holdings (some 310,000 acres) in Maine via Great Northwoods LLC. It also owns 92,000 acres in Alabama and additional properties in Florida. The McDonalds maintain diversified interests in timber, sand and gravel, oil and gas, hospitality, and commercial real estate.