Mitoyo, Japan offers 5 beaches perfect for sunbathing, surfing, swimming, and more. Mitoyo is known for Chichibugahama Beach, which is famous for its stunning sunset reflections. The best time to travel to Mitoyo, Japan, is in May when the average air temperature is around 20°C (68°F) and the water temperature is approximately 18°C (64°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!