Tons. PerroVida, Fercas BrewHouse, TreintayCinco, and CRCBC. Costa Rica Craft Brewing Co is probably your best bet on availability and also on taste.
Here is an older post on the topic. Looks like things are heading in the right direction! http://www.beeradvocate.com/community/threads/costa-rica.55501/
http://www.treintaycinco.net/puntos-de-venta.html http://beer.cr/puntos-de-venta/en-botella/ http://cerveceradelcentro.com/donde.html
