Martin Correctional Institution is a state prison for adult men located in Indiantown, Martin County, Florida, operated by the Florida Department of Corrections.

[1] Martin Correctional Institution opened in 1985 and has a maximum capacity of 1,509 prisoners.

The facility has a mix of security levels, including minimum, medium, close, and community.

[1] In 2019 prisoner Scott Whitney released some clandestine film he took of the facility.

[2]