From Rome by car:
From Rome get onto the motorway "A1"direction south (Napoli) and, after leaving Napoli, get onto the motorway "A3" to Salerno-ReggioCalabria (Not Tangenziale Napoli), leave the motorway at Castellammare di Stabia toll-gate; follow the directions to Sorrento-Penisola Sorrentina (SS 145). When you get to Meta di Sorrento, follow the direction to Positano. At the crossroad to Positano, turn right following direction to Sant'Agata sui due Golfi, and then Torca.

From Rome Airport(Fiumicino) by public transport:
There is a shuttle that connects the Airport with Roma Termini railway station. From here take the train to Naples. (The trip takes approximately 2 hours). When you get to Napoli-Piazza Garibaldi railway station, take the Circumvesuviana to Sorrento.
From Sorrento station take a Sita bus to Massa Lubrense, Sant'Agata, Torca.

From Naples Capodichino Airport by car:
From Naples Capodichino Airport get onto the motorway "A3" Napoli - Salerno/ReggioCalabria, leave the motorway at Castellammare di Stabia toll-gate; follow the directions to Sorrento-Penisola Sorrentina (SS 145). When you get to Meta di Sorrento, follow the direction to Positano. At the crossroads to Positano, turn right following direction to Sant'Agata sui due Golfi, and then Torca.

From Naples Capodichino Airport by public transport:
From Naples airport you can take a taxi or a bus to the railway station in Piazza Garibaldi. Take the Circumvesuviana to Sorrento. From Sorrento station take a Sita bus to Massa Lubrense, Sant'Agata, Torca.
As an alternative, from Naples Capodichino Airport you can take a Curreri bus to Sorrento station. From here take a Sita bus to Massa Lubrense, Sant'Agata, Torca.