Sant Joan Castle is a historic fortress located on a hilltop overlooking Lloret de Mar. Dating back to the 11th century, the castle played a significant role in defending the town against pirate attacks. Visitors can explore the castle's well-preserved walls, towers, and courtyards, and enjoy panoramic views of the town and the coastline. Sant Joan Castle is also a popular spot to watch the sunset, offering a romantic and picturesque setting.