Venabisu, Vanuatu offers 1 beach perfect for sunbathing, surfing, swimming, and more. Venabisu, Sanma, Vanuatu, is known for the Millennium Cave, a popular adventure tourism destination featuring hiking, caving, and river activities. The best time to travel to Venabisu, Vanuatu, is from May to October, with average air temperatures around 25-28°C (77-82°F) and water temperatures approximately 26-28°C (79-82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!