Located in the picturesque region of Castro Urdiales, Spain, the Arenal De Sonabia beach offers an enticing stretch of coastline renowned for its distinctive sand color and serene ambiance. This secluded beach, nestled between majestic cliffs and the crystal-clear waters of the Cantabrian Sea, spans a modest yet breathtaking length, attracting visitors with its array of available activities such as swimming, sunbathing, and notably, surfing, given its favorable waves. Arenal De Sonabia has few amenities, so plan your trip accordingly, although it does have lifeguard services ensuring the safety of beachgoers. It's important to note that while dogs, camping, and restroom facilities are not permitted, the beach is recognized for its nudity-friendly policy, catering to visitors who prefer a more natural beach experience.