Sai Kung, Hong Kong offers 9 beaches perfect for sunbathing, surfing, swimming, and more. Sai Kung is known for its stunning Sai Kung East Country Park, the vibrant Sai Kung Town, and the picturesque High Island Reservoir. The best time to travel to Sai Kung, Hong Kong, is from October to December, with average air temperatures around 20-25°C (68-77°F) and water temperatures approximately 23-26°C (73-79°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!