Located within the walled city, the Château de Saint-Malo is a must-visit attraction. This historic fortress was built in the 15th century and offers a fascinating glimpse into the city's past. Explore the various rooms and learn about the castle's history through informative exhibits. Don't miss the chance to walk along the ramparts and enjoy panoramic views of the city and the sea. The Château de Saint-Malo also hosts regular events and exhibitions, so be sure to check the schedule during your visit.