Vinh Quang, Vietnam offers 1 beach perfect for sunbathing, surfing, swimming, and more. Hai Phong is known for Cat Ba Island and the Do Son Beach in regard to tourism. The best time to travel to Vinh Quang, Vietnam, is from October to April, with average air temperatures around 20-25°C (68-77°F) and water temperatures around 24-28°C (75-82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!