Most of the attractions on this itinerary are within a reasonable walking distance from each other, so consider bringing comfortable shoes. Alternatively, you may take advantage of the public transportation, like the city bus, subway or taxi, which is both convenient and inexpensive in Barcelona. Be sure to check the metro and bus schedules to avoid getting stranded. Using public transit may cost around€6-€8 per day.
With more time, you may consider day tours to areas such asMontserrat or Costa Brava. With less time, you might skip a museum or choose to spend less time walking around the city. Be sure to bring comfortable and protective footwear, like sneakers, and always have a refillable water bottle.