You can browse the exhibits at Village de Poul-Fetan, a museum with a storied past, during your travels to Quistinic. You can enjoy the restaurants while in the area.
After visiting Parc des Expositions Lorient, make a plan to see the other sights and activities in Lanester. Amble around the area's marina or experience its festivals.
Though Centre Hospitalier de Bretagne sud might be what brings you to town, perhaps you'll have a chance to explore more of Lorient while you are here.
You can spend an afternoon studying the exhibits at Musée des Thoniers during your trip to Etel. Stroll along the waterfront or visit the spas in this relaxing area.