If you are looking for a good hostel experience, PTW is very authentic.

Desde el primer momento sientes que es un sitio joven, llevado por jovenes para jóvenes. Yo llegué sola, y en dos minutos te has hecho varios amigos y te han salido siete planes. Si buscas experiencia de hostal, este es muy auténtico. (From google translate): From the first moment you feel you are a young site, led by young youth. I came alone and in two minutes you've made several friends and I have gone seven plans. If you are looking hostel experience, this is very authentic.