is a small deserted island west by northwest of Cape Sà Âya, Wakkanai, Hokkaidà Â, Japan. It is the northernmost piece of land under Japanese control. The island is north of Sannai settlement. Another island called lies southeast of Benten-jima.
Benten-jima is in area, its perimeter is roughly , and its highest point is above sea level. It is named after Benzaiten, once enshrined on the island. The wildlife includes many seabirds, Steller sea lions, kombu kelp, and sea urchins; it has been recognised as an Important Bird Area (IBA) by BirdLife International because it supports a large breeding colony of black-tailed gulls.
According to local Ainu folklore, Benten-jima was considered the home of a spirit and connected with nearby Hira-shima in stories about marriage and supernatural treasures.