Andrei's flat is a fantastic base for exploring Barcelona in quiet neighborhood close to the port of Barcelona and the bottom side of Las Ramblas. There were lots of nice restaurants around. We had no trouble sleeping. The apartment was well-appointed, clean and with everything you need to cook, if that's what you want.
Ben was waiting for us when we arrived, and answered any questions we had. Andrei was very friendly in his correspondence with us, and he was flexible about check-in and check-out times. I'd definitely recommend staying here.