
The Sant Marti Barcelona metro station on line the 2 (purple) is located between the Bac de Roda stop and the La Pau station.
From 2 to 5 days, the Hola card is the best option to visit Barcelona without stress, with unlimited access to public transport. From metro to tram, bus (TMB) or Montjuic funicular, not forgetting zone 1 trains, the Hola Barcelona card also includes transport between airport and Barcelona city centre.