Deep Valley
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
Si Amil is a small island off the coast of Sarawak, Bahagian Tawau, in Malaysian Borneo, near the Sulawesi Sea and not far from the Semporna peninsula's better known dive areas. Deep Valley refers to a dive site along this island's fringing reef drop-off, reached by boat from Semporna or nearby dive operations.
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.
Stumpy-spined CuttlefishAscarosepion bandenseReported here · unconfirmed
Broadclub CuttlefishAscarosepion latimanusReported here · unconfirmed
Ribbon EelRhinomuraena quaesitaReported here · unconfirmed
Bigfin Reef SquidSepioteuthis lessonianaReported here · unconfirmed
Green Sea TurtleChelonia mydasObserved near here · iNaturalist
Blue DragonPteraeolidia semperiObserved near here · iNaturalist
Dusky NembrothaNembrotha kubaryanaObserved near here · iNaturalist
Hawksbill Sea TurtleEretmochelys imbricataObserved near here · iNaturalist
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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