Wilmington Island is located at 32°00′12″N 80°58′31″W / 32.003463°N 80.975224°W.
According to the United States Census Bureau, the CDP has a total area of 9.5 square miles (24.7 km2), of which 8.2 square miles (21.2 km2) is land and 1.3 square miles (3.4 km2), or 13.94%, is water.
Learn more about Wilmington Island.