Its corsair town
If the city of Saint-Malo is also known is probably due to its history and the presence of the famous fortified town Intra-Muros. Overlooking the Emerald Coast from the top of the ramparts, Intra-Muros each year attracts thousands of spectators looking for history and scenery. The fortified town has many historic monuments like the castle of Saint-Malo, which now houses the Town Hall, St. Vincent Cathedral, the famous walls but you will also find many other historic buildings in the vicinity of walls since at tide low you get to Fort National, the tomb of Chateaubriand but also very small Be.
links:
http://www.saint-malo-tourisme.com/decouvrir/histoire-et-patrimoine
http://www.ville-saint-malo.fr/culture/patrimoine/
http://www.aupaysdesaintmalo.com/categories-lieux/sites-naturels-historiques/