Madrid retains the region’s only Blue Flag beach, La Virgen de la Nueva, which will remain open less than an hour from the capital and ready for another season of swimming. Located at the San Juan Reservoir in San Martín de Valdeiglesias, this inland beach has been renewing the certification that attests to the quality of its waters, its services, and its safety since 2018, and it has established itself as the top getaway when temperatures soar in Madrid.
La Virgen de la Nueva Beach is a 500-meter stretch of sand and fine earth on the shore of the San Juan Reservoir, surrounded by pine forests and hills in the heart of the Sierra Oeste. It is the only inland swimming area in the Community of Madrid to fly the Blue Flag, a distinction awarded by the Association for Environmental and Consumer Education (ADEAC) to beaches that meet high standards for water quality, services, and environmental management.
What is the Virgen de la Nueva beach like?
The beach at this popular reservoir features designated swimming areas, shaded spots under the pine trees, beach bars, and basic amenities such as showers, restrooms, trash cans, and lifeguards during peak season, making it especially comfortable for a family day out.
The San Juan Reservoir is one of the few in the region where swimming and water sports are permitted, and it also offers 14 kilometers of navigable shoreline for water sports, ranging from kayaking and paddleboarding to motorboats in designated areas. This blend of Mediterranean forest, freshwater, small coves, and beach bar atmosphere has made La Virgen de la Nueva one of the few summer retreats in the Community of Madrid.
Less than an hour from the capital
Part of this beach’s success lies in how easy it is to reach from the capital: it is located about 70 kilometers from Madrid, and the drive takes about an hour on the M-501 highway, popularly known as the “reservoir road.” For those without their own vehicle, the alternative is the 551 intercity bus, which departs from Príncipe Pío station and reaches San Martín de Valdeiglesias in just over an hour, from where you can continue on foot or by taxi to the swimming area.
In summer, the beach gets very crowded, and authorities recommend arriving early to find a spot and avoid peak traffic times on the roads leading to the reservoir. Capacity limits are often enforced, and special security and cleaning operations are in place, so it’s a good idea to check the Community of Madrid’s announcements before planning your trip.
Precisely because of its popularity, La Virgen de la Nueva is not a wild, unregulated spot: the Blue Flag designation requires continuous maintenance, surveillance, and a set of rules that are worth knowing. Camping, open fires, and barbecues are prohibited, as is leaving trash outside the designated bins; the presence of dogs and the anchoring of boats near the swimming area are also regulated, with the aim of preserving water quality and the safety of swimmers.