Ishinomaki, Japan offers 8 beaches perfect for sunbathing, surfing, swimming, and more. Ishinomaki is known for the Ishinomori Manga Museum and the nearby Tashirojima, also known as "Cat Island." The best time to travel to Ishinomaki, Japan, is in late spring (May), when the average air temperature is around 18°C (64°F) and the water temperature is approximately 15°C (59°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!