along the "A3 Napoli-Salerno" motorway as far as the "Castellammare di Stabia" exit and then aiong the A-road SS145 as far as Sorrento City (70 minutes approx.).
Local "Circumvesuviana" train-service departs every 20-30 minutes from Naples. Sorrento is the last stop: estimated travel time is approx. 70 mins. Casa Astarita is only 400meters (+/- 430 yards) walking distance from the station.
After a 30 minutes cruise trip from molo Beverello-Naples, you can easily reach Sorrento centre by bus or by lift.