We had an absolutely wonderful stay at Luis and Teresa's. The flat is very spacious, bright and beautifully appointed, and the rooftop is a perfect place for a drink before dinner. The location can't be beat. Right in the old town with all the best pintxo bars right beneath you, and steps from La Concha beach.
Luis was a perfect host - he gave us some great recommendations for food and other activities, along with a comprehensive guide of San Sebastián. He was super helpful throughout our stay, and always responded to our messages right away if we had a questions.
I'll definitely be back to San Sebastián, and would not stay anywhere else!
Thank you Luis and Teresa!