Markopoulo Mesogaias, Greece offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Markopoulo Mesogaias is known for the Markopoulo Olympic Equestrian Centre and its proximity to the Athens International Airport. The best time to travel to Markopoulo Mesogaias, Greece, is from May to September, with average air temperatures ranging from 70°F to 85°F and water temperatures from 70°F to 80°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!