Yzerfontein, South Africa offers 1 beach perfect for sunbathing, surfing, swimming, and more. Yzerfontein is known for its Sixteen Mile Beach, the longest uninterrupted sandy beach on the South African coastline. The best time to travel to Yzerfontein, South Africa, is from November to March, with average air temperatures around 20-25°C (68-77°F) and water temperatures around 16-18°C (61-64°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!