Hydra and Poros sit close together in the Saronic Gulf, and the crossing between them is one of the shortest island hops in Greece. Hydra's harbour is the town itself: a horseshoe of stone quays with no cars on the island, so you step off the boat straight into the waterfront cafes and alleyways. Poros is barely separated from the Peloponnese mainland by a narrow channel, and its own harbour sits right below the town centre, an easy walk from the shops and hotels. Because the route stays inside the gulf rather than crossing open sea, it is a sheltered run that rarely gets rough, which makes it a comfortable option even for travellers who find longer Aegean crossings unsettling.
Both operators run the route with a mix of conventional ferries and faster boats, so timings shift a little through the year -- check the schedule box above for the latest confirmed dates and departure times. In high season there are multiple sailings most days, easily enough to treat Hydra and Poros as a single day out from each other, while outside the main summer months the timetable thins but service continues. It suits day-trippers island-hopping around the Saronic Gulf as much as anyone based on one island who fancies lunch on the other.
Useful Resources for Your Greek Island Trip
- Find accommodation in Greece – hotels, apartments and villas on Booking.com
- Book tours and activities in Greece via Viator
- Find guided experiences and day trips via GetYourGuide
- Compare car hire prices in Greece via DiscoverCars