On a rainy afternoon in Sancti Petri, one of the best things to do is to visit the historic Sancti Petri Castle. This ancient fortress, located on a small island just off the coast, offers a fascinating glimpse into the region's rich history. Explore the castle's well-preserved walls, towers, and courtyards, and learn about its strategic importance throughout the centuries. Inside, you'll find a museum showcasing artifacts and exhibits that tell the story of Sancti Petri's past. Take your time to admire the stunning views of the surrounding coastline from the castle's vantage point, and imagine what life was like for the people who once lived within its walls.