Alaska has the most coastline, but Michigan, not Florida or California, as you might think, comes in second, because of its 3,288 mile (5,290-km) shoreline along the Great Lakes.
More than half of the people in the United States live within 50 miles (80 km) of a coastline.
Alaska is the largest state in the United States by area, and remains the least densely populated state of the U.S. as of 2009.
