San Sebastián -Donostia in the native tongue- is a piece of heaven on earth, with deep blue seas and sandy beaches enveloped by green mountains. This Basque city has become one of Spain's summer city of choice, where they flock for its warm yet bearable temperature. But you can do plenty more than just sunbathing, it also has a cultural life to die for, fantastic restaurants, lively nightlife and beautiful natural surroundings.