Dive-site story
Situated near Youzi Lake on the rugged eastern coast of Green Island, this coastal sea cave features a collapsed basalt roof that channels natural sunlight straight into the water column. Divers enter through a partially submerged archway into an azure chamber before exploring the outside volcanic reef topography.
Sunlight beams penetrating the cavern ceiling to create deep azure light pools
Distinctive volcanic basalt architecture and swim-through arches
Shallow cavern system accessible directly from the coastline
Location
Use the map to plan with your operator and confirm the exact entry point on the day.
Seasonality
Summer offers calm conditions on the eastern coast, whereas the winter northeast monsoon brings heavy surf that makes entry unsafe.
Marine life
| Species | Likelihood | J | F | M | A | M | J | J | A | S | O | N | D |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Banded Sea KraitLaticauda colubrina | Common | ||||||||||||
| LionfishPterois volitans | Common | ||||||||||||
| Blue DamselfishChrysiptera cyanea | Common | ||||||||||||
| NudibranchNudibranchia | Seasonal |
Marine forecast
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