Alcatraz Island is located in the San Francisco Bay, 1.5 miles (2.4 km) offshore from San Francisco, California, United States. Often referred to as "The Rock", the small island was developed with facilities for a lighthouse, a military fortification, a military prison (1868), and a federal prison from 1933 until 1963.
Aogashima is a volcanic Japanese island in the Philippine Sea.
Hashima Island is one among 505 uninhabited islands in Nagasaki Prefecture about 15 kilometers (9 miles) from Nagasaki itself.