Ricky Martin and Fiance Flaunt Speedo and Tattoos on Beach

Ricky Martin and his new fiance -- Swedish stud Jwan Yosef -- turned their private beach in Mexico into muscle beach ... complete with some serious-ish ink.

44-year-old Ricky showed off his tan, ripped bod and clearly has no problem rocking a Speedo these days. They appear to be wearing matching diamond rings, so it's possible they're already married.

We wonder if Jwan has a lower back tat to match Ricky's though.