We had a great stay with Laida and Galder in San Sebastián.
The communication was excellent with very clear instructions and even a video on how to access the parking and apartment.
The size of the apartment is very generous and we were pleasantly surprised with our two young children how much space there is. It was immaculately clean and very well equipped with everything you need.
The location is good, although not quite in the 'heart' of San Sebastián, it's an easy 20 minute walk to the Old Town or an even easier 10 minute bus ride. The local area has plenty of amenities.
Highly recommended.