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
Batu Lubang Besar sits in the Lembeh Strait off the northeastern tip of Sulawesi, Indonesia, a narrow channel between the mainland and Lembeh Island known for its muck diving. The strait's dive sites are typically reached by small boat from resorts along the Bitung and Lembeh shoreline. This site reaches a maximum depth of around 25 metres.
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.
Batangas HalgerdaHalgerda batangasReported here · unconfirmed
Tryon's HypselodorisHypselodoris tryoniReported here · unconfirmed
Blue DragonPteraeolidia semperiReported here · unconfirmed
Anna's ChromodorisChromodoris annaeReported here · unconfirmed
Painted FrogfishAntennarius pictusReported here · unconfirmed
Broadclub CuttlefishAscarosepion latimanusReported here · unconfirmed
Desirable FlabellinaCoryphellina exoptataReported here · unconfirmed
Ribbon EelRhinomuraena quaesitaReported here · unconfirmed
Coconut OctopusAmphioctopus marginatusReported here · unconfirmed
Ornate GhostpipefishSolenostomus paradoxusReported here · unconfirmed
Durable tips from divers — access, hazards, marine life, facilities. For day-of conditions, use the report tool in the conditions card above.
No notes yet. Dived here? Be the first to leave a tip.
Share a write-up or a photo. Submissions are reviewed before they appear on the page.
Nearby dive sites
Shops that dive here
No shops have listed this site yet.