Gage Marine-Lake Geneva's premier marina located directly on the lake in Williams Bay. From boat sales and service to their popular In/Out Valet and Boat Club. Gage Marine has been getting people out on the water since 1957. Also offered are private ski/surf/wake lessons or join in on the weekly summer camps offering the same lessons in a group setting. SUP and kayaks are available for rent. PIER 290 Restaurant is also located on the lakefront campus. Gage Marine is the parent company of the Lake Geneva Cruise Line. Gage Marine...let's have fun!