Mikura-jima, Volcanic island in Tokyo Prefecture, Japan
Mikura-jima is a volcanic island in Tokyo Prefecture rising around 200 kilometers south of the capital in the Pacific Ocean. Dense forest covers the circular landmass while the coast is shaped by steep cliffs that drop almost vertically into the sea at some points.
The island served as an exile location during the Tokugawa period for political prisoners sent from the capital. Some present-day families trace their descent to these exiles who were never allowed to return and established new communities.
The island community carries the same name for centuries and residents today make a living through fishing and dolphin watching, which begins each spring when the animals return to coastal waters. Local guides take visitors out to sea to observe the animals in their natural habitat without disturbing them.
The island can only be reached by ferry traveling overnight from Tokyo and taking several hours depending on weather conditions. Visitors should check availability before traveling as sailings may be canceled during rough seas.
The waters around this territory are home to Indo-Pacific bottlenose dolphins that can be observed from spring through autumn. These dolphins use the bay as their residence during the warmer months and often swim close to shore where they are easily visible to visitors.
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