Prison island

Aerial view of Alcatraz, a former island prison near San Francisco, California
Plan of Spike Island, Ireland
The deposed emperor Napoleon on Saint Helena; he spent the last 6 years of his life as a prisoner there.

A prison island is an island housing a prison. Islands have often been used as sites of prisons throughout history due to their natural isolation preventing escape.[1][2]

  1. ^ "Archived copy". Archived from the original on 2018-04-07. Retrieved 2017-11-10.{{cite web}}: CS1 maint: archived copy as title (link)
  2. ^ "Ten Infamous Islands of Exile | History | Smithsonian Magazine".