Otzias, Greece offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Otzias is known for its picturesque Otzias Beach and the nearby ancient ruins of Karthea. The best time to travel to Otzias, 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 78°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!