Prison island
Island which contains a prison, jail or correctional facility.

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.
Prison islands by country
Oceania
Christmas Island, location of Christmas Island Detention Centre which houses people who have entered Australia as illegal immigrants. Processing centre to determine individuals genuinely seeking asylum and return those who are not.
Cockatoo Island, use as prison began in 1839
Great Palm Island, Aboriginal prison (Palm Island Aboriginal Settlement)
Los Negros Island (Papua New Guinea), site of Manus Regional Processing Centre from 2001 to 2017
Norfolk Island, penal colony from 1788 to 1814
Pinchgut Island, prison in the 1790s
Rottnest Island, Aboriginal prison from 1838 to 1931
St Helena Island, prison from 1867 to 1933
Sarah Island and neighboring Grummet Island
Bahrain
Jidda Island, prison from 1930 until the 1970s
Bulgaria
St. Anastasia Island, used as a prison island for political prisoners between 1925 and 1940
Canada
Georges Island, prison during the Seven Years' War and American Revolution
Melville Island, prison from 1793 to 1815 and 1856 to the 1930s
Channel Islands
Alderney, 1940–1945, four camps built during the German occupation of the Channel Islands: two camps of "volunteer" workers (Lager Borkum, Lager Norderney) and two subcamps of Neuengamme concentration camp (Lager Helgoland, Lager Sylt). European forced labourers were made to build fortifications on the island
China
Dongguan Prison occupies most of Xinzhou, an island in the East River
Colombia
Gorgona Island, prison from 1959 to 1984
Costa Rica
San Lucas Island, prison from 1873 to 1991
Croatia
Goli otok, location of the prison and torture camp for political dissidents in SFR Yugoslavia from 1949 to 1988
Eritrea
Nakura, colonial Italian Nocra prison camp
Fiji
Nukulau, prison from 2000 to 2006
France
Île Royale, 1852–1952, part of the Devil's Island penal colony
Devil's Island (Kourou), 1852–1952, part of the Devil's Island penal colony
Saint-Joseph Island, 1852–1952, part of the Devil's Island penal colony
Île Sainte-Marguerite, 1600s–1900s
Île d'Yeu, 1945–1951, used to imprison Philippe Pétain, collaborationist leader of Vichy France.
Château d'If, 17th century–1890, famous as a setting for The Count of Monte Cristo
Greece
Agios Efstratios,
Gyaros, prison and torture camp after the Greek Civil War
Makronisos, political prison from 1920s to 1970s
Hong Kong
Hei Ling Chau
Hei Ling Chau Addiction Treatment Centre, 1975–present
Hei Ling Chau Correctional Institution, 1994–present
Lai Sun Correctional Institution, 1984–present
Nei Kwu Correctional Institution, 2002–present
Tai A Chau
Tai A Chau Detention Centre, 1991–96
India
Ross Island, prison from 1858 to 1945
Viper Island, former British prison
Indonesia
Buru, prison in 1960s–1970s
Nusa Kambangan, notorious prison island off the southern coast of Java, containing a number of prisons
Ireland
Dalkey Island, used in the 10th century as a holding area for slaves prior to sale by the Vikings of Dublin
Spike Island, County Cork, a prison from as early as the 17th century (current structure is an 18th-century bastion fort named Fort Mitchel). It closed in 2004 and is now a museum.
Isle of Man
Hutchinson Internment Camp, 1940–1945, in the southeast of the Isle of Man.
The public source identifies “Prison island” as island which contains a prison, jail or correctional facility. This brief keeps that definition visible, then builds a research path around Prison, island and Island.
Why this record matters
A short description can identify a subject without explaining its stakes. For “Prison island”, the useful work is to connect “island which contains a prison, jail or correctional facility” to the records capable of establishing context and consequence.
Place names and jurisdictional language are key evidence: both can reveal earlier catalogue descriptions and overlooked record series. The source revision retrieved here is dated Apr 23, 2026. The linked authority identifier is Q1498174. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1839, 2001, 2017 and 1788.
Modern boundaries and familiar names can conceal earlier jurisdictions or structures that do not align with the present site. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Treat names, boundaries and functions as historically changeable. Maps, plans, inventories and administrative records can clarify what the place meant at different dates.
- Historic place names
- Jurisdictional context
- Routes into maps and plans
Contemporary maps, plans, listed-building records, estate papers and the responsible local or national archive.
Three-step research path
- Establish the record: confirm the title “Prison island”, its source revision and the description used here.
- Expand the search: follow Prison island primary sources, Prison island archive and Prison research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Prison island”?
- What physical evidence or contemporary plan supports the description?
- Which earlier names or jurisdictions may reveal additional records?
Search terms from this dossier
This entry incorporates text from “Prison island” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.