This is a lovely modern service apartment, which looks just like the photos, and Maria does a great job of taking care of your stay very efficiently for Cristina and is very helpful giving tips on where to visit.
Located on a great street very centrally, you are just minutes from the river and many restaurants but it is also quiet and cool in the flat. The bed in the bedroom is very comfortable.
Note that there are no basics in the flat so if you would like to cook you need to buy everything - oil, salt, pepper etc - plus there is a Nespresso machine but no coffee pods. There is however a supermarket at the top of the street at number 126.
During my stay I rented a scooter from RIDE, Rua da Alegria 140A, 4000-033 Porto, who were very helpful and friendly and it made it easier for getting out to the beach and the famous fish street in Matosinhos.