Nea Poteidaia, Greece offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Nea Poteidaia is known for the Nea Poteidaia Canal and its proximity to the archaeological site of Ancient Olynthos. The best time to travel to Nea Poteidaia, Greece, is from late May to early October, with average air temperatures around 75°F (24°C) and water temperatures around 73°F (23°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!