We absolutely loved staying at Monse's apartment during our visit to San Sebastien. The unit is a perfect setup for 2 couples with almost two completely separate apartments in one (a main entry / kitchen + 2 separate bedrooms, living areas & bathrooms). Its a great location near Old Town and a quick walk to the beach, and right above a few cute pintxo bars. I was worried the foot traffic below would be loud but it didn't disturb us at all. We definitely hit the jackpot by booking with Monse - highly recommend!