Dive-site story
Located off the rugged coastline of Green Island, Yixiantian is named for its dramatic volcanic chasm. Divers descend between sheer basalt walls that narrow into a dramatic slot canyon, filtering ambient sunlight down to the seafloor like a slender thread of sky. The volcanic corridor opens onto sloping outer reef flats populated by schooling reef fish and resting green sea turtles.
Deep volcanic slot canyon with vertical rock walls and dramatic light beams overhead
Abundant macro critters sheltering within shaded basalt fissures and crevices
Encounters with foraging green sea turtles along the adjacent coral reef slope
Location
Use the map to plan with your operator and confirm the exact entry point on the day.
Seasonality
Calmer seas and optimal sea conditions prevail during the late spring through early autumn months.
Marine life
| Species | Likelihood | J | F | M | A | M | J | J | A | S | O | N | D |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Green sea turtleChelonia mydas | Common | ||||||||||||
| Banded sea kraitLaticauda colubrina | Common | ||||||||||||
| Pytheas sea fan pygmy seahorseHippocampus bargibanti | Rare | ||||||||||||
| Threadfin butterflyfishChaetodon auriga | Common |
Marine forecast
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