After we took a cab from the airport to the apartment Flora welcomed us, gave us the keys as well as an introduction.
The apartment is very clean, spacious and exactly like in the pictures - there were many lovely details and a Porto map to make our trip easier.
It is also central and you can reach the metro and some buses in less than five minutes. A supermarket is just around the corner.
For everybody who plans to go to the beach: just take the metro to Trindade, then train D to Saõ Bento and then the bus 500 to for example Praia da Luz.