Lai Son, Vietnam offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Lai Son, Kien Giang, Vietnam, is known for its stunning natural landscapes and the picturesque Lai Son Island. The best time to travel to Lai Son, Vietnam, is from December to April, with average air temperatures around 25-30°C (77-86°F) and water temperatures approximately 27-29°C (81-84°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!