Lassithi, Greece offers 1 beach perfect for sunbathing, surfing, swimming, and more. Lassithi, Crete, Greece, is known for the ancient Palace of Zakros and the stunning Vai Palm Beach. The best time to travel to Lassithi, Greece, is from May to October, with average air temperatures ranging from 20°C to 30°C and water temperatures from 20°C to 25°C. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!