Bike: The townhall provice the use of electric bike for free for 30mn. Bike hire are available all around annecy http://www.velonecy.com (these are not suitable for day or long term rentals) - You can also rent your own bike for the lenght of your stay. 

Bus:  FREE BUSES are available all summer to take you to beaches and villages along the lake all summer, from  10am to 8pm !

(Rive gauche) : Annecy gare routière / Marquisats / Sevrier / Saint-Jorioz / Duingt

(Rive droite) : Annecy gare routière / Albigny / Veyrier-du-Lac / Menthon-Saint-Bernard / Talloires-Montmin

Buses also go up to La Forclaz every 20mns.

Timetables and more info: www.sibra.fr 

3 boat shuttle lines  "Lac d'Annecy Express" are available to travel accross the lake and avoid the traffic:

 Annecy / Veyrier-du-Lac / Saint-Jorioz

 Annecy / Sevrier / Talloires-Montmin

 Saint-Jorioz / Talloires-Montmin 

Timetables and more info: www.sibra.fr