**Introduction** Nestled in the picturesque locale of Mazarrón, El Castellar offers a tranquil retreat on the sun-soaked coast of Spain. This serene beach spans a modest length, featuring golden sands that glisten under the azure canopy of the sky. El Castellar invites visitors to indulge in a variety of activities ranging from sunbathing and swimming to leisurely strolls along its scenic shoreline. Despite its charm, El Castellar has few amenities, so plan your trip accordingly, although it does have restroom facilities and is accessible for individuals with disabilities.