Loc An Commune, Vietnam offers 1 beach perfect for sunbathing, surfing, swimming, and more. Loc An Commune is known for its pristine beaches and the Loc An Lagoon in Ba Ria Vung Tau, Vietnam. The best time to travel to Loc An Commune, Vietnam, is from December to April, with average air temperatures around 25-30°C (77-86°F) and water temperatures approximately 26-29°C (79-84°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!