Tokunoshima, Japan offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Tokunoshima, Kyushu, Japan, is known for its unique bullfighting events called "Togyu" and the beautiful Innojofuta Nature Park. The best time to travel to Tokunoshima, Japan, is from April to June, with average air temperatures around 20-25°C (68-77°F) and water temperatures around 22-25°C (72-77°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!