Bataplan is San Sebastián's best example of the classic, European, sweaty, house-music-filled disco. It is the iconic disco of the city, the one that you can bet every single San Sebastiánite has passed through at least once in their life.
Bouncers do their best of keeping the crowd decently good looking. And in summer, the above ground terrace is open. It's a great place to drink at sunset, meet people, and the crowd tends to skew a little older (think 30s and above).