Religious festival in honor of San Martín, patron saint of one of the two parishes of O Grove. It is celebrated on November 11th and throughout the day there are cultural events, along with the religious celebrations.

During the celebration of the festival, activities such as a traditional popular magosto or a tasting of tripe or meat are carried out ao cauldron. Parades, traditional Galician dance performances or parades enliven the days of festivities. As a finishing touch, attendees can enjoy a great queimada.