Shakotan, Japan offers 1 beach perfect for sunbathing, surfing, swimming, and more. Shakotan is known for the Shakotan Peninsula, Cape Kamui, and the Shakotan Blue ocean. The best time to travel to Shakotan, Japan, is from June to September, when the average air temperature is around 20-25°C (68-77°F) and the water temperature is approximately 18-22°C (64-72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!