Mundaka proudly boasts about its left wave, as it is considered one of the best waves in Europe. This famous left wave attracts many surfers from around the globe who make the sea as colorful spectacle with their boards. It rises in the shape of a tube extending from the sandbank of Mundaka to Laida beach; it can grow to 4 meters high and 400 meters long.

Surfing, originally from the Hawaiian Islands, was exported to the United States where it became fashionable in the middle of the 20th century and then spread to the rest of the world, including Europe.

The Mundaka waters host several international events each year, and nine times it has been the home of one of the proofs of the world circuit. Some great surfers have marked their legacy on this wave as Mark Occhilupo, Kelly Slater, Andy Irons, ....