All Charter Destinations > Greece > Athens Yacht Charter inAg. Kosmas Book A Yacht in Ag. Kosmas Agios Kosmas Marina hosted the Sailing competitions of the Athens 2004 Olympic Games. Offering the best shelter spot from extreme weather conditions. Popular Yachts in Ag. Kosmas Camper & Nicholsons 6 3 29.60mDufour 520 GL 10 5 Dufour 48 12 5 Dufour 390 Grand Large 10 3 11.93mAlfa Marine 72 open 6 3 23.00m View All Yachts Chartered in Ag. Kosmas Request a Quote