If you are coming form Rome,you may want to consider the coach option with Marozzi instead of taking the train to Naples.It leaves from Stazione Tiburtina,only at 3pm and arrives in Sorrento at 7pm.It is not very flexible in terms of timing but on the upside you don't have to change transport.Single way is 18€,return ticket is 32€.   From Sorrento station take the bus companie Sita,S.Agata via Massa,ask the bus driver to stop you at Bivio di Schiazzano.After sport centre Garden Bar,on the left side you'll find Villa Cangiani.The entrance is from the second gate.It takes only 3minutes walk from the bus stop. You can also rent a car at the airport or a scooter in Sorrento. If interested we rent electric bicycles(20€ a day per bicycle).