Time Out says
The least-exciting-looking of all the beer cellars lining this side of the Plaza Santa Ana, Naturbier's big draw is its house-made organic beer. The tapas are also worth checking out, despite the pricing, which is somewhat creative.
Plaza de Santa Ana, 9
|Transport:||Sol (M: L1, L2, L3), Antón Martín (M: L1)|
|Opening hours:||Mon-Sat 11am-2am; Sun closed|