Check out the leche de pantera-panther´s milk!
According to El Pais, there's a very high glasses-to-Converse ratio of locals. In any case, it's another place I like to take friends to, with two floors of plain good vibes (first is more conduciv...
A cool bar/café in a nice area, Picnic is a down to earth place with very friendly staff! A good starting point to explore Madrid's nightlife