Charlize Theron is heating issues up down in Mexico forward of the New Yr … having fun with some enjoyable within the solar in a jaw-dropping black swimsuit.

Test it out … the actress seemed virtually ageless as she donned a strapless one-piece bathing go well with whereas overseas along with her household south of the border Saturday.

She tried to maintain a low profile, selecting to put on her platinum blonde locks — that includes brunette peekaboo highlights — up in a messy bun. Theron wore basic, black cat-eye shades and a beige fedora … which completely rounded out her seaside bombshell aesthetic.

Charlize went all the way down to the water with one in all her daughters to get a really feel for the sand and surf … skipping rocks throughout the calm blue sea.

It is uncommon time without work for the perpetually busy actress-producer … who has fairly a couple of motion pictures on the way in which — together with a just lately revealed half in Christopher Nolan‘s next flick.

If you don’t know … Nolan is making a film adaptation of Homer’s “The Odyssey” — the classic Greek mythology tale about Odysseus, who spent 10 years trying to return to Greece after the Trojan War.

Theron was among the many first wave of casting bulletins … together with Zendaya, Matt Damon, Tom Holland, Anne Hathaway, Robert Pattinson and Lupita Nyong’o.