Although the merger of the military prison and the jail in Ushuaia did not occur until 1911 by Presidential decree, most of the country's hardened criminals were shipped to this part of Argentina. The first group of convicts arrived by naval ship in January 1896.
Housed near the coal burning engine room, the prisoners endured miserably hot conditions often breathing in toxic coal dust on their journey south. Some would say it was inhumane conditions while others believed it was just a part of their punishment.
In 1947 the prison was closed and the property transferred to Navy. El Presido Militiar an interesting part of the the history of “El Fin del Mundo.”