Mars Brewing Company
A nano-brewery and tasting room on 6th Street — the smallest-batch end of the city's brewery district.
Mars Brewing is a nano-brewery on 6th Street, a few blocks from Rowdy's Brew Co in the industrial grid where Rancho Cucamonga's beer gets made.
Nano is the operative word: this is the smallest scale a licensed brewery comes in, and the tasting room runs accordingly — limited days, short hours, and beer that changes with whatever was just brewed. That is the appeal. You are drinking in the room where the tanks are, from a list that will not be the same next month.
Check the hours before driving over; they are shorter than every other brewery in the district, closed Monday and Tuesday.
Nearby & related

Breweries
Rowdy's Brew Co.
An independent taproom in the industrial district — where RC's actual beer scene lives.

Breweries
Hamilton Family Brewery
The brewery whose taproom motto is “Love people. Love beer” — dogs, families and food trucks all welcome.

Breweries
Solorio Brewing Company
An independent brewery with its name on the door, pouring in RC's industrial district — where the real beer scene lives.