We arrived very early (around 10AM) but this was no problem as the cleaning ladies were working and they gave us the keys. We could also leave our luggage, so we could start exploring the city. The location is pretty much perfect; a very short walk from the popular side of the beach and a 10 minute walk to the nearest metro station, where a ride to the town takes another 10 minutes. The city of arts and sciences is about a 10 minute walk away as well, were you can easily rent a bike and ride to town in about 15 minutes.
Upon return the flat was spotless. Everything was there: 1 king size, and 2 single beds from which an extra mattress could be pulled out, washing machine, dishwasher,...
Also Torques was incredibly nice. He regularly checked up on us if we needed anything like good locations throughout the city and helped us with any problem we had.
Definitely returning if we ever visit Valencia again!