Mexico · Nayarit (Islas Marías) · Islas Marías
Colonia Penal Federal Islas Marías (historic)
Data is aggregated from public sources and may be incomplete or out of date.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 Colonia Penal Federal Islas Marías (historic)
Step-by-step guidance using the Mexico system — addresses, money services, visit booking, what to bring on your first visit.
Mexico's island penal colony, 110 km off Nayarit. Closed February 2019 by presidential decree; converted to an environmental education centre.
Capacity
—
Current population
—
Occupancy
—
Year opened
1905
Closed 2019
Facility profile
Operator
Federal Penitentiary System (closed)
Population held
mixed
Opened
1905
Region
Nayarit (Islas Marías)
Security level
Mixed
Death-row facility
No
Conditions
No conditions summary available yet.
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.
Contact & address
Conditions Risk Score
Derived signal — not a judgement. How it's calculated
Data completeness
58%How many of our profile fields are populated. We surface this so families and researchers know the limits.
Sources
- OADPRS — Islas Marías history
- Sistema Penitenciario Federal y estatales — México (consolidated) — Órgano Administrativo Desconcentrado de Prevención y Readaptación Social + state penitentiary agencies
- See /data-sources for our overall methodology.