Sources

• Hellenic Seaways – Piraeus port map & entrance gates (E8 / E9 for Saronic fast boats)
• Hellenic Seaways – Hydra, the Lady of the Saronic Gulf (departure gate, crossing time)
• Hellenic Seaways – home page & call centre (Attica Group)
• Alpha Lines – Piraeus to Hydra, Poros & Spetses (routes, contacts)
• Alpha Lines – central agencies (Piraeus)
• Magic Sea Ferries – Piraeus ticket booth, Gate E8 (points of sale)
• Magic Sea Ferries – Hydra agent office
• Piraeus Port Authority (OLP) – passenger port, gates, access
• Hellenic Coast Guard – list of port authorities (e-ΔΛΑ)
• Municipality of Hydra – official site, useful phones
• Municipality of Hydra – how to come to Hydra
• Hydra Port Authority & Port Fund – phones, mooring, water
• Hydra Ferries (Hydreoniki Travel) – Piraeus ticket agent & island office
• Athens International Airport – public transport to Piraeus (Metro, X96 bus)
• OASA – Athens transport tickets & info (X96 Piraeus express)
• STASY / Athens Metro Line 1 (Piraeus is the terminus) & Line 3 (airport)

Content date: 2026-10-22. Not affiliated with any operator or port authority. Informational only; not a travel agency.

Disclosure

Some links on this site (Ferryscanner, Welcome Pickups, GetYourGuide) are, or may become, affiliate links: if you book through them we may earn a commission at no extra cost to you. Facts on this site come only from the official sources above, not from those services. Always check times and prices with the operator. Affiliate tracking IDs are not yet configured; the links go to the public pages.

Illustrations and map

The illustrations and video stills are this site's own artwork, made from these photos on Wikimedia Commons and shared under the same licences.

• Hydra harbour and the horseshoe dock: after Port of Hydra, Greece.jpg by Νικόλαος Κυριακάκης, CC BY-SA 4.0
• Hydra harbour from the sea: after Hydra Harbour 2013.JPG by Matti Blume, CC BY-SA 4.0
• Piraeus port, the marina near Gate E8: after Piraeus, marina Zea 02.JPG by Palickap, CC BY-SA 4.0
• Flying Dolphin hydrofoil at Piraeus: after FLYING DOLPHIN 17 at Piraeus 2012 DSCF1869.JPG by Drdoht, CC BY-SA 4.0
• Route map in the video: Greece location map by Lencer, CC BY-SA 3.0, recoloured; the route lines are schematic.
• Music in the video: an original composition made in code for this site, with a synthesised sea sound. No samples or stock audio.