Awesome location.
Bring ear buds and something to cover your eyes if you wanna sleep properly in the 16 ppl bunk bed room.
Cool place to socialize, discover new people.
Free dinners, free bike tour guide of Barcelona (the guiding it’s free, you have to rent a bike for it which costs 7 euro, and you can use the bike for the rest of the day after the tour, till 9 pm.