Check out meetup barcelona. There are a ton of activities, from drinks, to movies,
intercambios for languages, networking. Also there is a magazine in English, the Metrpolitan, which has classifieds and you can find all kinds of groups.
Expat Forum For People Moving Overseas And Living Abroad
A forum community dedicated to expatriates and enthusiasts. Come join the discussion about residency, taxes, documents, visas, travel, health care, finances, banking, classifieds, and more!