Away from prying eyes on the beach, Pacino couldn’t help but grab his girlfriend for a cheeky kiss.
Sola topped off her outfit with a floppy straw hat, while Pacino kept a low-key presence by covering up with a pair of oversize sunglasses.
The couple — who split for a short time last year — have been dating since 2012.
star celebrated his 77th birthday on Tuesday with a beach getaway with his 38-year-old girlfriend, Lucila Sola.
WATCH: Helen Mirren: Al Pacino Is World's 'Most Beloved' Actor Pacino, dressed in a dark T-shirt and khaki shorts, wasn't shy about packing on the PDA with Sola in Tulum, Mexico.
At one point, the actor leaned in for a passionate ocean kiss with his bikini-clad girlfriend.
RELATED: Al Pacino's 5 Highest-Rated Films Pacino has never married, but shares 27-year-old daughter Julie with ex-girlfriend Jan Tarrant and 16-year-old twins, Olivia and Anton, with former longtime love Beverly D'Angelo.The legendary 74-year-old actor laughed as his much-younger gal pal smiled to fellow passengers as they made their way through the arrivals terminal, and appeared to be in exceptionally good spirits.By the way, when we say much younger, we mean more than half his age considering she's only 35.Sola donned a see-through white blouse with a black bra and black skinny jeans, while her leading man opted to stay comfortable during the flight in an all-black layered greeted a group of adoring fans as he made his way outside, and even signed autographs and posed for photos with several devotees before getting his luggage.Despite the major age difference, these two seem to stand the test of time.Al grinned as he frolicked in the waves with his stunning partner.