I stayed at the hostel for one night while driving to catch the ferry. We booked, last minute, with my dog and Oscar was quick to respond and very helpful.
The building is in a great location, perfect for going out and exploring which we did in the morning, with plenty of cafes, shops and links nearby.
The building is beautiful, architecturally and the communal spaces they have created are really well thought out, including the large terrace.
Bathrooms are shared but very clean and have everything you need when travelling, and there is use of a kitchen too. It would be an ideal place if you are staying in Valencia for a few days.
My only comments would be that the rooms are very basic, there is no table or mirror for getting ready (which would be useful), but beds were comfy, and the room was clean.
One other comment is that I think we ended up paying for a bigger room but were put into a smaller one which was a bit misleading.
Overall, I would recommend the hostel.