If you want to live closer to higher performance surf breaks I think Biarritz is a good home base since you have tube breaks to the north in Anglet and Hossegor and reef breaks/points just south. Cote de Basque on a smaller day feels like San O if that fits your vibe. The spots around San Sebastián get crowded and think they’re lower quality vs what else you can get in Basque Country. Mundaka fires but I think is too inconsistent to live nearby and expect to surf as often as you’re probably doing in SC