Enjoy a relaxing and exciting day at the Athens riviera and the coastline of Athens with a stop at the "Blue Hole" for snorkeling and swimming. Just a breath away from the city center on an amazing drive on the south scenic Attica coastal road, visit Vouliagmeni lake and the Poseidon's temple at Sounio cape, the second most visited ancient ruin sight in Attica after the Acropolis.