I stayed for one night at the Crowne Plaza on a business trip. It's about a 10-minute walk from Pl. Espanya and approx. 25 minutes from the airport by bus. It is a well-equipped hotel with large rooms / beds and fully kitted out bathrooms with a separate shower and bath. My bed was large and comfortable and the room itself was very quiet. I slept very well, in fact. In the morning, I used the gym and although it's small, it was kitted out with all the regular cardio machines, so there was plenty to keep me busy. I also recommend the restaurant which is fine dining and serves an interesting menu of regionally influenced dishes. I enjoyed my stay and would recommend to anyone looking for a business hotel in central Barcelona.