The apartment was in the perfect location for us, right by the surf beach with a few bars and eateries nearby. The apartment had everything we needed and it was a pleasure to stay there. My only one issue was that the third bed (in the lounge) was quite uncomfortable so I didn't have the best sleep on it during my stay. However, the other guests who stayed in the bedroom said the beds were very comfortable.
All in all we had a wonderful stay and the host was great, providing us with all the info and help we needed. I would definitely stay here again when I return to San Sebastián. Many thanks!