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Blackgate Penitentiary

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This is an in-universe article with out-of-universe material.
This article covers information about something that exists within the DC Universe, and should not contain out-of-universe material. Please remove all out-of-universe material, or include it in a separate section at the bottom of the article. And take off that silly costume.

Blackgate Penitentiary

Official Name
Blackgate Penitentiary
Location Details


Star System



First appearance


Blackgate Penitentiary is located on a small island in Gotham Bay, Gotham City. In the late 1980s, Blackgate Prison was condemned by Amnesty International and forced to shut down. When it eventually re-opened, it was officially known as "Blackgate Penitentiary".

Unlike Arkham Asylum, Blackgate is where non-insane criminals such as David Cain, Monsoon, Ernie Chubb, The KGBeast, Catman, and various henchmen, mobsters, and mafia bosses are incarcerated when captured. There are instances where inmates from Arkham Asylum are temporarily moved to Blackgate, such as when Bane destroyed the original Arkham building.[1] All of the Arkham inmates were incarcerated in Blackgate until the new Arkham structure was built and Arkham re-opened.[2]

Batman: Blackgate tells an interesting story of an attempted escape from Blackgate by a group of inmates. The prisoners in the story were Cluemaster, Steeljacket, Ratcatcher, The Trigger Twins, Dragoncat, Gunhawk, Czonka (The Baffler), Actuary, and although they were at first unsuccesful, they eventually escaped during the "Cataclysm," when an earthquake and the resulting tidal waves damaged the prison and open up a land bridge to Gotham. This allowed the majority of the inmates of Blackgate to escape, although many of them were defeated by the Batman before they could leave. They were all eventually re-incarcerated or put down while violently evading arrest. Most recently, Blackgate has been seen in the pages of Gotham Underground, where it is unclear whether or not they are active accomplices of the Suicide Squad in the Salvation Run deportations.



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