Car ferries and excursion boats for the Saronic Gulf Islands usually leave from Piraeus’s main harbor; hydrofoils leave both from the main harbor and from Marina Zea harbor. Hydrofoil service is at least twice as fast but more expensive. Often, in order to continue to another Saronic Gulf island by hydrofoil, you must return to Piraeus to transfer. Schedules can change, so double-check information you get—www.gtp.gr is a useful site for ferry schedules.
Hydrofoil and ferry service is offered by Hellenic Seaways (www.hellenicseaways.gr; tel. 210/419-9200). Saronikos Ferries (www.saronicferries.gr; tel. 210/417-1190) takes passengers and cars to Aegina, Poros, and Spetses (cars are not allowed to disembark on Hydra). Euroseas Ferries (www.ferries.gr/euroseas; tel. 210/411-3108) offers speedy catamaran service from Piraeus to Poros, Hydra, and Spetses.
Booking Your Return Trip
With some of the hydrofoils and ferries that serve the Saronic Gulf islands, it is impossible to book a round-trip. If you cannot buy a round-trip ticket, head for the ticket office as soon as you arrive at your island destination, and book your return. If you do not do this, you may end up spending longer than you planned—or wished—on one or more of the islands.
Note: This information was accurate when it was published, but can change without notice. Please be sure to confirm all rates and details directly with the companies in question before planning your trip.