The main attractions here are sunshine and watersports. Speedboats, paddle boats, and windsurfers crowd the lake. All of these can be rented from Surf Tools (tel. 08178/909611; www.surftools.de).
Two of the most appealing beaches on the lake are Possenhofen Strand, at the lakefront in the village of Possenhofen, and Perchen Strand, at the village of Perchen. Access to the beaches is free, but parking costs 5€. Lifeguards are on duty between May and September daily 9:30am to 6pm.
For information on cruises around the lake, contact the Bayerische Seenschifffahrt (tel. 08151/80-61; www.seenschifffahrt.de) at Dampfschiffstrasse 5, in Starnberg. Cruises are frequent in the summer months.