The flat is managed by a dedicated company and during our stay we had to speak with 3 different people, it was no easy to get the information that way. Also it wasn't possible to leave our luggage after checkout (at 11a.m), no flexibility at all, so we had to pay a locker for the day.
And the strongest point of the flat, the jacuzzi, was very slow to heat up so we didn't have the chance to make the most of it. The instructions were only written in Spanish and our first host didn't know to make it work.
Aside from that, the apartment was in keeping with the ad.