Minamijima
南島
An uninhabited submerged karst island and natural monument offering rare fossils and nesting sites for green sea turtles.
What it is
- An uninhabited submerged karst landform located in the Chichijima island group.
- A nationally designated natural monument protected for its unique ecosystem.
- A strictly regulated site with a daily limit of one hundred visitors.
- A protected area where visitors must be accompanied by a Tokyo Nature Guide.
What to see
- Subfossils of the extinct Mandarina luhuana snail scattered across the landscape.
- Nesting sites used by green sea turtles along the island's shores.
- Unique geological formations characteristic of a submerged karst environment.
- Restored vegetation following the removal of feral goats in the 1970s.
When to go
- Landing is prohibited from November to February to protect local vegetation.
- Visits are restricted to a maximum stay of two hours per person.
Notes written by Japan Gems from facts in Japanese Wikipedia.
Where it is
Minamijima Open in Google Maps
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