1/2 block from Sagrada Familia. Luis is friendly, helpful and very quick to respond. There was an airport strike on our day of departure and Luis kept us informed and suggested times for getting to the airport to avoid any hassle. He also offered to get us a taxi but we just went down to the street and hailed one ourselves, since there are plenty in the area.
On our arrival he let us drop our bags early so we could go out and explore...