Ker Romain, or Chez Romain in French ! I'm born and raise in Saint Malo, spend most of my scholarship in this town and had the chance to live in this city for many years. It's a privilege for me to make you discover this city and to give you some tips to show you the best places.
What to do in Saint Malo
You can discover so much in this town:
visit old city center with the old fortifications,
discover the corsaire/pirate association,
enjoy the nice restaurants,
visit the exclusives beaches and islands (e.g. Cezembre, les Ebihens),
test the sailing, kite-surfing, diving,
taste local food (oyster in Cancale, galette saucisse, crabs, etc.),
try to flight by plane over Saint Malo to discover the coast from another perspective (from the aeroclub of Dinard),
visit the nearby cities (Dinard, Dinan, Cancale, Saint-Briac, Le Mont Saint Michel).