The location of this apartment could not be more perfect. Right on the edge of the old town, but just far enough away that you are not disturbed by the bars or nightlife. The view from the side window was fantastic, we sat for ages just watching the waves crash over the wall at the end of the street. (We visited in February and the sea was particularly spectacular with great rolling waves). The parking place provided in the underground carpark opposite was invaluable. Parking is at a premium in the old town, so this was perfect. You can walk easily everywhere in San Sebastian and the apartment was a perfect base.
We loved the orange squeeing machine best, and enjoyed freshly squeezed orange juice each morning. There is a local market about 100 m from the apartment and an underground supermarket very nearby too.
The pintxos were incredible and some of the best bars were very close by. Do your research, Rosa provided a very helpful list of some of the good bars and also details of an app you can look at to give details about each places speciality dish.
The apartment was probably one of the best equipped Airbnb I have been too - the Kitchen was fully stocked with everything you could possibly need.
I would highly recommend this apartment and would not hesitate to book again.