This is a grand festival of Ōi Shrine, dedicated to the water deity. It features a procession of daimyo, accompanied by the great retainers, Kashima dance, etc., parading through the town. These collectively are known as the Obi Festival. In the daimyo procession, the main attraction is the 25 great retainers, wearing black cotton long-sleeve kimono with luxurious lady's belts, which is a splendid sight. This is the origin of the festival's name. Held in early October 2025 (held once every three years) Venue: Ōi Shrine, Main Street and surrounding areas, Shimada City, Shizuoka Prefecture Period: Three days in mid-October (every three years - year of Tiger, Snake, Monkey, Boar) Annual Visitors: Approximately 550,000