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ACID Café in Madrid

ACID Café

Las Letras / Antón Martín, Madrid

ACID's original room still feels like one of Madrid's sharper, more exacting coffee stops.

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ACID Café on Calle de la Verónica in Madrid’s Las Letras is the original: opened in 2017, it now belongs to a small group with three Madrid addresses and two in Berlin. Expansion has given this little café a bakery behind it. The group’s bakehouse on nearby Calle de la Magdalena supplies the baking; Verónica remains a compact place to bring coffee and pastry together, within the city’s museum district.

The name is a fair clue to the coffee’s direction. Brightness is the stated aim here, and ACID’s monthly collaborations with international roasters keep the wider programme moving. Espresso, flat whites and batch-filter coffee form the core of the offer. There is a pleasing balance between that changing cast of coffees and familiar ways of drinking them: a flat white needn’t become a research project, while a black filter gives the curious drinker somewhere to begin. The interest lies in what is being poured, rather than allegiance to one permanent roaster.

Baking gives that coffee focus a substantial companion. ACID’s bakery works with sourdough, cultured butter and laminated pastry, delivering daily to the shops. At Verónica, cinnamon rolls and croissants are among the supported attractions. The combination has its own quiet logic: brightness in the cup, butter in the baking. Savoury food also has a place, though this is best approached as coffee with a pastry or a modest bite rather than a destination for an elaborate brunch.

The room is small, and that is worth taking seriously when choosing the occasion. A compact café with an ambitious coffee programme has an obvious appeal for someone keen to try the next guest coffee, but the baking keeps the invitation broader. It makes an appealing pause between museums, with enough interest in the cup to merit a visit of its own. Give the coffee your attention; the rest of Madrid can have it back afterwards.

Press + community

Voices on ACID Café

“By December, they had spent two years serving coffee from the Danish roaster La Cabra.”

“Still going strong after many years, Acid always stuck to its guns.”

“The space is stripped back and calm. You go there to slow down.”

“This is the best tasting espresso I’ve had since I’ve been in Europe traveling!”

Visitor notes

1 note

Stuart

Visit reported Apr 2026

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At a glance

ACID Café • Las Letras / Antón Martín
Neighbourhood
Las Letras on the Antón Martín edge (28014)
Address
Calle de la Verónica, 9, 28014 Madrid, Spain
Hours
Mon-Fri 8:30-20:00 Sat-Sun 9:00-20:00
Menu highlights
Guest espresso and filter coffee Batch brew and flat whites Cinnamon rolls and cardamom buns Fresh bread, babka, and laminated pastry Breakfast and lunch plates
Vibe
A minimalist café with concrete, metal, music and limited indoor seating.
Good to know

Monthly guest-roaster rotation; Retail beans to take home; Plant-based milk; Credit cards accepted; Three Madrid locations; Limited indoor seating; Patchy signal and no reliable Wi-Fi

Monthly guest-roaster rotation Retail beans to take home Plant-based milk Credit cards accepted Three Madrid locations Limited indoor seating Patchy signal and no reliable Wi-Fi
Other locations
  • Other Madrid location - Calle Magdalena, 27, 28012 Madrid, Spain
  • Other Madrid location - Calle Barquillo, 18, 28004 Madrid, Spain
Page status
Checked Updated

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