Bikes can be hired from Vélonecy, situated at the train station. A day's hire including helmet is €21 (or just €4 if you're under 26 years old). Electric bikes are offered too, from €31. Staff can supply you with a bike-path map. Deposit of €250 required. In July and August reserve two or three days ahead.
Get info on local buses at Espace SIBRA, opposite the bus station. A single ticket/day pass/carnet of 10 costs €1.40/4.20/10.85.