Getting to Spetses island:
From the airport there is a 24 hour bus service down to the port. The E96 takes approx 1 hour and costs approx 3 euros. The fare with a taxi should be agreed before hand in the region of 25 euros.
For hydrofoil and ferry times see the link to Hellenic Seaways or call Euroseas / Eurofast line. You can rent a car and drive from the airport to Kosta (on the mainland opposite Spetses).
This journey takes approx 2.5 to 3 hours. Once on Spetses it is possible to rent motor bikes and mountain bikes to explore the island or take the boats from the main harbour to the various beaches. In addition there is a bus service from the town beach to Anaghiri and back.