The flat is everything that is described and in the pictures. It was extremely clean and had all the amenities that you could need plus little extras. It was in the perfect location for la concha and the old town. San Sebastián is beautiful and definitely worth a visit. We had a car and the flat does not have parking but they were extremely helpful in guiding us to an appropriate car park. There is a bakery opposite and a supermarket a few doors down and restaurants and bars everywhere!!!
Only thing we had problems with is finding key collection place and then once in our building working out which apartment was ours. Other than that it was perfect!