Method 1:
By taxi (Duration: approx. 1 hour without traffic) from the airport El. Venizelos to the port of Piraeus Gate E9 and then with a ferry to Hydra.

Method 2:
By Metro (Duration: approx. 55 minutes) from the airport to the port of Piraeus and then by ferry from Gate 9 to Hydra.

Method 3:
By car from the airport to Metohi Argolidos. From there, there is a ferry that makes the Metohi-Hydra route.