What is the name of the Island located in San Francisco Bay, 1.25 miles offshore, with facilities for a lighthouse, a military prison, and the Parade Grounds, a large concrete open area?
Alcatraz Island Alcatraz Island ( ) is located in San Francisco Bay, 1.25 mi offshore from San Francisco, California, United States. The small island was developed with facilities for a lighthouse, a military fortification, a military prison (1868), and a federal prison from 1934 until 1963. Beginning in November 1969, the island was occupied for more than 19 months by a group of Native Americans from San Francisco, who were part of a wave of Native activism across the nation, with public protests through the 1970s. In 1972, Alcatraz became part of a national recreation area and received designation as a National Historic Landmark in 1986.
McNeil Island McNeil Island is an island in western Puget Sound, located just west of Steilacoom, Washington, with a land area of 17.177 km² (6.6319 sq mi). It lies just north of Anderson Island. Fox Island is to the north, across Carr Inlet. To the west McNeil Island is separated from Key Peninsula by Pitt Passage. The Washington mainland lies to the east, across the south basin of Puget Sound. The island has been owned by the government for most of its history and has been home to the United States Federal Penitentiary from 1875 until turned over to Washington State Department of Corrections in 1981 and was renamed as the "McNeil Island Corrections Center" until 2011, when it was closed. Prior to its closing on April 1, 2011, it was the last remaining island prison in the country to be accessible only by air and sea.