Motandoi, Indonesia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Motandoi, North Sulawesi, Indonesia, is known for Bunaken National Park, a renowned diving destination with rich marine biodiversity. The best time to travel to Motandoi, Indonesia, is from June to September, when the average air temperature is around 27°C (81°F) and the water temperature is approximately 28°C (82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!