The five have almost no choice in housing because of a local law that bans registered offenders from living within 2,500 feet of any place children congregate, CNN reports.
Kevin Morales said he had to move out of his apartment because there was a swimming pool in the building. He sleeps in a chair under the Julia Tuttle Causeway.
"The rodents come up next to you, you could be sleeping the whole night and they could be nibbling on you," he said.
The men's housing is at least semi-official. A state probation officer checks almost every day in the early morning to make sure they are complying with a requirement to be at home between 10 p.m. and 6 a.m. -- even though the roof over their heads is a bridge.