Trade the urban bustle of Barcelona for the clear water and sandy beaches of Spain’s Costa Brava on this day trip that combines both kayaking and snorkeling. You don't need a car to reach the sun-drenched Mediterranean coast, as a guide handles all this driving and equipment hauling while you soak up the views. Paddle to hidden sea caves and coves, splashing out at hand-picked sites to explore the underwater world with a snorkel.