This is the place I was looking for. A great location next to the beach. A lot of bars, restaurants nearby. A grocery shop almost next doors. Good and efficient public transport to the center of Porto. Sunny weather and cold waves in the ocean. Everything you need to have a good vacation.
In the apartament you will find anything you need for two people. The place is spacious with a comfortable chairs and a table for a meal. And this beautiful view from the window <3 - we watched it all the time instead of tv ;).
The only slight problem was wifi that we could connect to with our devices. Even when we managed to connect the transfer was low. Instead we used our own internet access. The house is located next to the street heading north. During the day cars and busses go often there so you can expect a bit of noise. When I wanted to sleep I just used ear plugs and it solved the problem for me.
I haven't met Francisco personally. The whole experience was remote: check-in, communication, check-out. It went smoothly.
Overall, we were very happy to stay at Francisco's loft and we would like to come back next time. Highly recommended!