Doai Coast, located in Kamisu, Japan, is a serene beach renowned for its tranquil ambiance and breathtaking views. Stretching several kilometers along the coastline, it is distinguished by its strikingly black sand—a rare and beautiful sight. While Doai Coast may not boast a wide range of activities typically found at more commercial beaches, visitors can still indulge in relaxing walks, picnicking, and shell collecting, providing a perfect setting for those seeking peace and relaxation by the sea. Doai Coast has few amenities, so plan your trip accordingly, although it does have a picturesque landscape and ample space for beachcombing.