Head to Plage de Bétahon and Rochefort-en-Terre Chateau—just two of the sights around Le Guerno.
Explore the great outdoors at Briere Regional Nature Park, a lovely green space in Saint-Joachim. While in the area, you can find time to visit its spas.
You can find out about the history of Vannes with a stop at Old Town. While you're in the area, stroll along the waterfront.