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
大斷層, known in English as Big Drop-off, lies along the reef edge of Palau's Rock Islands. It is considered a beginner-friendly dive according to verified data. The site sits within the same waters that make Palau a well known diving destination in the western Pacific, off the reef fringing the island group southwest of Koror.
AI overviewMarine life here
Confirmed by our research team, reported by independent divers, or observed nearby via iNaturalist — each entry is labelled with its source.
Napoleon WrasseCheilinus undulatusReported here · unconfirmed
Whitetip Reef SharkTriaenodon obesusReported here · unconfirmed
Pyramid ButterflyfishHemitaurichthys polylepisReported here · unconfirmed
Midnight SnapperMacolor macularisReported here · unconfirmed
Harlequin SweetlipsPlectorhinchus chaetodonoidesReported here · unconfirmed
Redtooth TriggerfishOdonus nigerReported here · unconfirmed
Clown TriggerfishBalistoides conspicillumReported here · unconfirmed
Pink Skunk AnemonefishAmphiprion perideraionReported here · unconfirmed
Bignose UnicornfishNaso vlamingiiReported 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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