Although we never met the hosts we did speak on the phone prior to our arrival and were met by a friendly "neighbour" who explained the details of the apartment. In regard to access to public transportation and local amenities (shops, bars, restaurants and markets) the location was wonderful. My only hesitation in giving it a 5 star review was that it was not a 4-bedroom apartment (as advertised), rather it was 3. The "4th bedroom" was a couch converted into a bed sitting in the front hall. With creativity however, all worked out well. It was clean, well-appointed and had a good sized and pressured shower. The photos suggest a sunny, welcoming balcony while in reality the balcony (which runs across the front of the apartment) is quite narrow, and accessed through two of the bedrooms and not really a place to "hang out" given its position in relation to the two bedrooms. All in all, I'd certainly recommend the apartment as it's perfect to use as a base to explore Barcelona