Great modern and clean apartment, where many things didn't work and with poor service from Porto Concierge. My experience with Porto Concierge was disappointing. When I checked in, the only bathroom in the apartment was locked from the inside (so yes, it was completely unusable until someone came to open the door). In addition to this, I had reserved the apartment for 2 people and reminded Porto Concierge about this at the checkin process, but received towels only for one person. I was told several times by them on Whatsapp that someone would bring the extra towels, but nobody ever did. The air conditioning did not work properly during my stay, which was a frustration because it was July. A technician came twice to fix it but didn't fix the problem. It still didn't turn on for longer than 5 minutes. Only one of the 3 cooking stoves actually worked, and that one that worked functioned only on the maximum heat. When I reached out to different Porto Concierge Whatsapp numbers to look for help, I sometimes received responses and sometimes didn't. I have the printscreens to prove everything that is in this post. The positive sides about this place: being able to leave our suitcases at the Porto Concierge, the checkin process, a very clean apartment, a complimentary bottle of wine, silent location and excellent walking distance from main tourist landmarks.