Minamidaito, Japan offers 1 beach perfect for sunbathing, surfing, swimming, and more. Minamidaito, Kyushu, Japan, is known for its unique sugarcane fields and the Minamidaito Island Distillery. The best time to travel to Minamidaito, Japan, is from April to June, with average air temperatures around 22-28°C (72-82°F) and water temperatures around 23-26°C (73-79°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!