Dive site profile
Kosoga Cave
JapanAbout this dive site
Explore the water around Japan
Kosoga Cave in Atami, Shizuoka, is open Nov–Apr and features a 40m semi-enclosed cave at 6–12m depth, ideal for beginners. Its wide space and open ceiling let sunlight create a stunning blue gradation. Just 10 minutes by boat from Atami Port, it’s both scenic and accessible.
Site details
Depth 10 m max depth
Dive type Cave
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Dive Conditions
Dive Types
- Cave
What you may encounter
Marine Life
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Photos from Kosoga Cave
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