Monsanto Prison
Data is aggregated from public sources and may be incomplete or out of date. Always verify with primary sources before acting on any figure. See data sources.
For families
How to send mail, money, and visit Monsanto Prison
Step-by-step guidance using the Portugal system — addresses, money services, visit booking, what to bring on your first visit.
Capacity
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Current population
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Occupancy
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Year opened
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Operational
Figures from official sources · verified 3 Jul 2026 · methodology
Facility profile
Operator
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Population held
Mixed/unknown
Opened
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Region
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Security level
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Death-row facility
No
Conditions
(Lisbon) Subject: Detention conditions: lightning, ventilation, isolation against cold or heat. Terms of occupation of inmates’ leisure. Disciplinary procedures. Mental health su- pport. Food quality On September 18 th , during the morning period, a visit was made to the Monsanto’s Prison Facility. The prison had, at the time, 65 prisoners. It was made a visitation to the prison area, namely to the spaces of accommodation, which were in good conditions. The alarm system was working in all prison. In the field of recreational activities, prisoners have a library, a gym, a paint room and a patio where they can practice collective sports. Given that this is a prison of maximum security, collective sports cannot, however, be practiced by more than eight inmates at the same time. In terms of mental health support, it was reported a therapeutic individual plan deter- mining the clinical needs of each inmate. There are daily psychology service between 09.00am and 05.00pm. The psychiatrist attends to the prison twice a week. It was recorded 30 inmates in regular psychiatric supervision. There is no waiting list to register for attendance by psychiatrist. The isolation room had good hygiene and ventilation conditions. After examining the procedures, no grounds for censure were found on the basis of the respect for the disciplinary procedure laid down in articles 110 et seq. of the Code of Execution of Criminal Sanctions and of Measures Involving Deprivation of Liberty. The [...]
Visiting
No visiting information available.
Mailing
No mailing information available.
Practical info
Contact the operator's website for inmate-specific procedures.
Known issues
No major issues documented in our database.
Notable inmates
- Pedro Goulart1940–2018 · terrorist
Source: Wikidata + Wikipedia.
Contact & address
No public contact details available.
Conditions Risk Score
Derived signal — not a judgement. How it's calculated
- Overcrowding
- 0/30
- Oversight reports
- 0/30
- Structural flags
- 0/15
- Death signals
- 0/15
- Conditions text
- 0/10
Related facilities
Same country, matched on type + security level where possible.
Reports
- NPM-provedor1 Jan 2015
(Lisbon) Subject: Detention conditions: lightning, ventilation, isolation against cold or heat. Terms of occupation of inmates’ leisure. Disciplinary procedures. Mental health su- pport. Food quality On September 18 th , during the morning period, a visit was made to the Monsanto’s Prison Facility. The prison had, at the time, 65 prisoners. It was made a visitation to the prison area, namely to the spaces of accommodation, which were in good conditions. The alarm system was working in all prison. In the field of recreational activities, prisoners have a library, a gym, a paint room and a patio where they can practice collective sports. Given that this is a prison of maximum security, collective sports cannot, however, be practiced by more than eight inmates at the same time. In terms of mental health support, it was reported a therapeutic individual plan deter- mining the clinical needs of each inmate. There are daily psychology service between 09.00am and 05.00pm. The psychiatrist attends to the prison twice a week. It was recorded 30 inmates in regular psychiatric supervision. There is no waiting list to register for attendance by psychiatrist. The isolation room had good hygiene and ventilation conditions. After examining the procedures, no grounds for censure were found on the basis of the respect for the disciplinary procedure laid down in articles 110 et seq. of the Code of Execution of Criminal Sanctions and of Measures Involving Deprivation of Liberty. The [...]
Data completeness
20%How many of our profile fields are populated. We surface this so families and researchers know the limits.
Sources
- Wikidata — Wikimedia Foundation
- Wikidata (Q117452330)
- See /data-sources for our overall methodology.
Cite this page
Under CC-BY-4.0. Include the URL and access date; the site is a living reference and entries can change.
World Prisons. (2026). Monsanto Prison. Retrieved October 20, 2026, from https://worldprisons.com/prisons/monsanto-prison
"Monsanto Prison." World Prisons. Accessed October 20, 2026. https://worldprisons.com/prisons/monsanto-prison.
@misc{worldprisons-monsanto-prison,
author = {{World Prisons}},
title = {Monsanto Prison},
year = {2026},
url = {https://worldprisons.com/prisons/monsanto-prison},
urldate = {2026-10-20}
}