A perverted 38-year-old cruise ship lifeguard has admitted to having sex twice with an underage girl in his cabin, according to authorities.

Guatemalan staffer Rafael Cayetano Blanco, 38, was arrested when the MSC World America returned to port in Miami on Saturday — and is currently being held on an immigration detainer, officials said.

The accused perv told investigators he exchanged numbers with the 17-year-old passenger on Aug. 16, the first day of the cruise — and that she then went to his cabin that night and had sex, according to a police report obtained by NBC Miami.

She returned to the cabin three days later and they had sex again…

Read the full article at NYPOST.COM