Daikoku Island (大黒島, Daikoku-jima) is an uninhabited island in Akkeshi, Hokkaidō, Japan. Together with the smaller island of Kojima (小島) to the north, it forms a natural breakwater at the entrance to Akkeshi Bay (厚岸湾).[3] At the southwest tip of the island at an elevation of approximately 105 metres is Akkeshi Lighthouse (厚岸灯台), which began operations on 25 November 1890.[3][4] Of the island's 107 hectares, 64 are owned by the state, 42 by the municipality, and one is in private hands.[2] | ||||||
Location: Pacific coast of eastern Hokkaidō | ||||||
Length: 1.8 km (1.12 mi)[2] | ||||||
Width: 700 m (2300 ft)[2] | ||||||
Coastline: 6.1 km (3.79 mi)[2] | ||||||