There is TONS to do in Lake Geneva and Delavan Lake during the summer. Here’s just a few:

Boating on Lake Geneva or Lake Delavan

Visit the beach

Golf at one of the many great courses in the area (If you are interested in golf while you're here, book your tee times early!)

Shopping in downtown Lake Geneva

Biking or hiking

Visit wineries and breweries

Visit the Lake Geneva website for more details: https://www.visitlakegeneva.com/things-to-do/