Mikura-jima Island 御蔵島
In 1863 the 1,349-ton ship Viking ran aground on the island's rocks in bad weather, and the roughly 250 inhabitants of the time rescued 483 sailors; today the same waters, home to wild Indo-Pacific bottlenose dolphins (ミナミハンドウイルカ), live off dolphin-watching ecotourism.
Mikura-jima (御蔵島) is an almost circular island in the Izu archipelago, in the municipality of Mikurajima, Tokyo Prefecture, about 190 km south of Tokyo and 19 km south-south-east of Miyake-jima. It has an area of 20.55 km² and a coastline of 16.4 km. The centre of the island is taken up by Mount Ōyama, up to 851 metres high, and its coasts are bounded by cliffs that reach 500 metres. The coordinates of the centre of the island, given in the Wikipedia infobox, are 33°52′27″N 139°36′7″E (33.87417°N 139.60194°E).
Tokyo