La Virgen del Mar
Held on the Monday following Pentecost Sunday (May-June), this fiesta is famous for bringing together thousands of people to take the Virgen del Mar, the patron of Santander, to her chapel in a procession. After mass is held lunch is eaten in the open air and there are concerts, fairground stalls, and a multitude of activities.
As in most parts of Spain, on 24th June the summer solstice is celebrated with a large bonfire. The most popular is that of the Primrea Playa de El Sardinero. When the fire has died down you can have a great time at the open-air dance at the car park of the Parque de Mesones.
16th July is the day of the Virgen del Carmen who is the protector of seafaring folk. Although it is held in several parts of Santander, it is in the Barrio Pesquero where it is celebrated with most passion, with a maritime procession, an itinerant fair, shows, and fireworks being some of the things you can experience.
Baños de Ola
This festival of Regional Tourist Interest is held in mid-July. For a week Santander goes back to the early 20th century when high society and royalty visited the city to enjoy the healthy properties of seawater
Santiago. Semana Grande de Santander (Local Festival Week)
Held on 25th July, it is at this time that the Semana Grande of the city is held; it allows you to enjoy a unique atmosphere with gastronomic stalls, concerts, fairs, and endless other activities.
Santos Mártires. La Semanuca Festival
This feast-day is a tribute to San Emeterio and San Celedonio, the patron saints of the city. You can enjoy the markets, leisure activities, shows, and naturally fireworks. It is considered a festival of Regional Tourist Interest.