In order to admire the sunset, go up to Montjuïc, one of the main hills of Barcelona, just next to the sea. Walking or by cable car, you will arrive to the highest point a find a castle. From that especial point, you will appreciate the view of the port and the old town meanwhile the sun goes down, and enjoy the lights shining the city. Go down until the port, and have a walk to the seafront until Barceloneta, this fishermen´s district, and stop in one of the plentiful restaurants of this area, in order to eat paella or seafood dishes. If you want to enjoy the turbulent nightlife of Barcelona, go to the Port Olimpic, with all its clubs and bars. If you prefer relax atmospheres, just chill out listening to Jazz in one of the rooftops of the city. When you start to be tired, come back to the comfort and the tranquillity of Happy Apartments Barcelona, for an enjoyable night.