Save yourself some time looking for train travel from Athens to Hydra. A Saronic Gulf island in the Aegean Sea, train systems do not have access to Hydra Island.
Visit the Greeka Web site to purchase ferry tickets. Call 011 (+30) 2106929280.
Take a bus or taxi to Piraeus Port, which is also known as the Port of Athens. From there you can hop a ferry to Hydra Island.
Drop the extra euro and take a fast ferry and/or private boat. Doing so will considerably reduce the average four-hour travel time.
Bring your camera. Idyllically situated in the Aegean Sea between the Argolic and Saronic Gulfs, Hydra Island is truly one of the most beautiful places on earth.
Pack a swimsuit but leave the beach chair. Hydra Island is one of the only oceanfront communities with virtually no beaches. Invigorating dips into the Aegean Sea must be preceded by dives off the island rocks.
Leave your driver's license and car keys behind. With the exception of a few municipal vehicles, motor vehicles are not permitted on Hydra Island.
Book travel during the summer months as early as possible. Summer is considered high season on the Greek isles and ferry tickets tend to sell out quickly.
Pack lightly. There are no motorized vehicles allowed on the island. You will have to carry your heavy luggage wherever you decide to stay.