You can book a public ferry ride from the waterfront (in front of Hotel La Palma). Or hire a private boat tour of the lake and islands
You can rent bikes for the day and explore the lake. There is a beautiful bike trail around the lake.
The largest city on the lake. There are plenty of restaurants to explore. Otherwise, walking the lakefront is beautiful.
About an hour drive to the city of Como. From the city drive up the lake or take a beautiful ferry ride.