Conditions & tides
Scored by DiveConnect's site-physics model
Marine forecast via Copernicus Marine. Score is a rule-based guide from swell/wind vs. the site's exposure — always dive your own assessment.
Dived here today? How were conditions vs. what we showed?
About this site
Shell Sand (貝殼砂), also called Lanyu's Yixiantian, is on the southern tip of Orchid Island near Longmen. The reef top is at 12 m and the wall below runs past 30 m through a narrow crevice. Current is sometimes strong, so advanced certification is expected.
Marine life here
Confirmed by our research team, reported by independent divers, or observed nearby via iNaturalist — each entry is labelled with its source.
Striped SurgeonfishAcanthurus lineatusReported here · unconfirmed
Purple Hermit CrabCoenobita brevimanusReported here · unconfirmed
Cavipes Hermit CrabCoenobita cavipesReported here · unconfirmed
Sixbar WrasseThalassoma hardwickeReported here · unconfirmed
Raccoon ButterflyfishChaetodon lunulaReported here · unconfirmed
Tomato ClownfishAmphiprion frenatusReported here · unconfirmed
Durable tips from divers — access, hazards, marine life, facilities. For day-of conditions, use the report tool in the conditions card above.
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