Mark Wahlberg Getting in the Tequila Business with Flecha Azul

TMZ/Flecha Azul tequila

Mark Wahlberg is a savvy businessman -- with his own line of gyms and burger joints -- but now he's taking on the tequila world with his sights set on some of the biz's celeb heavy-hitters.

A rep for Mark tells us he recently became a principal investor in Flecha Azul -- a company founded by Mexican PGA golfer Abraham Ancer and entrepreneur Aron Marquez -- who first reached out to the actor about the opportunity.

Flecha Azul tequila

A source close to Mark says he traveled down to the distillery in Tequila, Jalisco, MX to check it out, liked what he saw, and wrote a "very big check" to join the company.

We're told it was important for Mark to be on location, and test the product so he could have "real skin in the game."

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