Dave H.
Google
We were told by others in town that this was "Iceland's best gin bar" and I fully believe it. The drinks are great (try their house smoked negroni!), they have a large selection of interesting Icelandic gins and beers from small breweries, and the service is top notch. Both Georg and Freddie taught us a bunch and were great to chat with. We had so much fun we came back a second time the same day.
We came in wanting to try these Icelandic wild ales that we'd read about and which they only just started carrying and so only had room temp bottles of and they put one on ice for us. Also if you're looking for suggestions on where to buy stylish clothes in Reykjavik, just ask Georg :)