The newest watering hole on Farmingdale’s Main Street is a first for the village: a microbrewery tasting room. Lithology Brewing Co. opened last week, offering beer brewed at the store.

The business is owned by four friends, Kevin Cain, Lee Kaplan, Marc Jackson and Manny Coelho, enthusiastic home brewers who decided about a year ago to take their hobby to the next level. They started making beer at Farmingdale’s Taste of Long Island, a commercial kitchen that rented space and equipment to brewers, bakers and other small culinary businesses. When Taste of Long Island closed earlier this year, the four partners took over the lease and converted half the storefront into a stylish, intimate bar.

Cain and Kaplan are both environmental engineers, and “lithology,” Cain explained, is the study of the physical characteristics of rocks and soil. “It’s the lithology of Long Island that makes our water so good — it’s naturally sand filtered and that water contributes to great beer. We wanted the name of our beer to pay homage to our schooling,” he said, “and also to our student debts.”

Lithology’s beers include a citrusy Sunrise Summer Ale, great with seafood; The White, a Belgian-style wheat beer; and Designated Hitter, a dry-hopped American pale ale. The Honey Rye is made with honey and herbs from Crossroads Farm at Grossman’s in Malverne. Right now, the only other retail outlet for Lithology beer is the Saturday morning farmers market at Crossroads Farm, though there are about two dozen bars and restaurants on Long Island, in Queens and in Brooklyn that serve it.

On any given day, the tasting room offers pints ($6 to $7) and flights ($8 for four [5-ounce] pours) of about eight brews. Also for sale: cans ($12 a six-pack), 22-ounce bottles ($6 to $9) and freshly filled growlers ($9 to $10 for 32 ounces; $16 to $18 for 64 ounces). Snacks consist of pretzels and chips.

Lithology Brewing Co.’s tasting room hours are Thursday and Friday 4 to 9 p.m., Saturday noon to 9 p.m., Sunday noon to 5 p.m.

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Lithology Brewing Co.

211 A Main St., Farmingdale

516-962-0585, lithologybrewing.com