Hydra, Poros and Egina Day Cruise from Athens. Discover three beautiful Greek islands near Athens on this full-day independent island-hopping cruise from Athens. Travel by coach to Piraeus port and relax as you sail to the gorgeous islands of Poros, Hydra and Egina in the Saronic Gulf. Get free time at each island to stroll, sightsee and shop as you wish, and at Egina, choose to join a guided excursion to the ancient Temple of Aphaia (own expense). A delicious lunch and colorful Greek folklore show, both aboard your hydrofoil, are included. A Greek island-hopping cruise to remember. Book and Save 10% Off Hydra, Poros and Egina Day Cruise from Athens.