Spiliazeza, Greece offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Spiliazeza is known for its proximity to the ancient site of Sounion and the Temple of Poseidon. The best time to travel to Spiliazeza, Greece, is from late May to early October, with average air temperatures ranging from 75°F to 85°F and water temperatures from 72°F to 79°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!