The Castle of San Juan de las Águilas is a historic fortress located in Águilas, Spain. Built in the 18th century, it was designed to protect the coastline from potential invasions and piracy. The castle features a strategic position on a hill, offering panoramic views of the Mediterranean Sea and the surrounding area. Constructed using local stone, the castle showcases a blend of military architecture and natural beauty. Today, it serves as a popular tourist attraction, allowing visitors to explore its well-preserved walls and learn about its historical significance in the region's defense system.