Based largely on research completed in the North American context, scholars of prisons detail the multiple ways in which carceral practices extend beyond prison walls to transform a wide variety of spaces, ultimately assessing how carceral imaginaries inhabit the most intimate aspects of everyday life. In Latin America, this division between the inside and the outside of prison breaks down even further when read from the perspective of survival. Drawing on ethnographic research across Guatemala's penitentiary system, this article explores how the deep interdependencies that develop between male prisoners and female visitors sustain not just these prisoners and their visitors but also the prison system itself.