If you come to Como, you should take a ferry to visit the lake. La Navigazione del Lago di Como offers many possibilities. You can decide to reach Cernobbio on a little boat, or you can go up to Lenno, Brienno or further. You can also make a cruise and eat on the ferry. The view is incomparable!
From these ferries you can admire a lot of Villas, including the ones you can't visit because they are private. Do you want to take a look to Villa Oleandra, the famous holiday house of George and Amal Clooney? Get on one of the Navigazione's boats!
To have a look of the lake from the lake is a unique experience: in spring all the gardens are flowering, and the all the lake is pink and violet!