Seems it's more of a local hangout built in front of a house with a boho-chic artsy vibe. There's art on display on the walls and an eclectic California vibe that is perfect.
It's located at the top of a hill so walking here is tough (specially in the summer sun) but you can find plenty of parking curbside on both sides of the street if you drive. (There is also a decobike station right there so you could rent a bike as well to get here).
They serve sandwiches (Sanguichos in local nomenclature), salads and specialty dishes like cheese and fruit plates, but the thing that distinguishes them is an extensive wine and beer list.
Give it a try...