Horrible experience. The host is an agency, taking care of many listings in San Sebastian. For late check-in, we were supposed to get the key via a "vending machine" which malfunctioned at the time of our arrival. We were not able to get the key, the host never picked up the phone, and no response to texting via the app. We had to book a last minute hotel because of this. We were not the only ones trying to retrieve the key at the vending machine and this tells me this might happen more often than not.