Lopana, Indonesia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Lopana, North Sulawesi, Indonesia, is known for Bunaken National Park, a renowned diving destination with rich marine biodiversity. The best time to travel to Lopana, Indonesia, is from May to September, with average air temperatures around 82°F (28°C) and water temperatures near 82°F (28°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!