BY YOUR CAR
If you have your own car or have rented, then you can easily come from Athens in about 2 hours and 15 minutes.
Following the Attiki Odos and then the Athens - Corinth National Road, after the Isthmus turn left towards Epidavros (Corinth Exit 10 - Epidavros) .
Drive for about 40 minutes and reach the junction for New Epidaurus .
Just before the intersection you will see signs to Poros or Spetses . At the crossroads you will turn right and immediately after you turn left, under the bridge.
Then follow the new road, taking care to see, after about 10 minutes, the sign to Poros . At this point you will turn left and continue on your way to Poros.
After about 25 minutes you will reach the settlement of Agioi Apostoloi, where you will find a crossroads with signs, right for Poros and left for Methana.
At this intersection you will follow the route to the right for Poros and you will reach Galatas in about 10 minutes.
The road is an extension of the National Road, quite good and for the overall route, at an average speed, you need about 2 hours and 15 minutes.
From Galata you pass by your car opposite Poros with the small ferry boats. Small ferry departures are every 30 minutes, full and half hours.
Press here to see at the google map, which route to follow