Playa del Castillo offers a safe and pleasant environment for swimming, with generally calm waters. As a sandy beach, entry into the sea is typically gradual, making it suitable for various ages. However, as it's a more remote-feeling area, there may not be lifeguards. Always exercise caution, be aware of tides, and supervise children closely to ensure a safe experience.

To fully appreciate the scenic beauty and enjoy Playa del Castillo with fewer people, consider visiting during the shoulder seasons (spring or autumn) or on weekdays. The late afternoon and sunset hours are particularly recommended for stunning views of the castle and marsh scenery. Early mornings also offer a peaceful atmosphere, ideal for quiet walks and photography.

Playa del Castillo is located at the remote-feeling end of Camposoto beach in San Fernando, near the Sancti Petri castle. Access is typically by car, following signs towards Camposoto beach and then continuing towards the castle area. Parking is usually available in designated areas near the end of the road, though a short walk might be necessary to reach the specific beach section.

As a more remote and natural beach area, Playa del Castillo does not have direct food stalls, restaurants, or lodging facilities. Visitors should plan to bring their own refreshments and supplies for the day. For dining and accommodation, the town of San Fernando or nearby Chiclana de la Frontera offer a wide range of options, just a short drive away from the beach.

Playa del Castillo is unique for its remote feel, offering panoramic views of the historic Sancti Petri castle and the surrounding natural marsh scenery. It provides a serene escape with vast sandy expanses, ideal for long walks and enjoying breathtaking sunsets. The combination of historical landmarks and untouched nature creates a distinct and memorable coastal experience, perfect for those seeking tranquility.