Palaiokastritsa, Greece offers 8 beaches perfect for sunbathing, surfing, swimming, and more. Palaiokastritsa is known for its stunning beaches, the Monastery of Theotokos, and the picturesque views of the Ionian Sea. The best time to travel to Palaiokastritsa, Greece, is from June to September, when the average air temperature is around 77°F (25°C) and the water temperature is approximately 75°F (24°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!