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Buton and Muna

Oe Mamba (Muna)

  • Max depth75 m
  • CertificationFull cave
  • Water temperature≈ ~26 °Cestimated, no reports yet
  • SpecialSidemount

What it looks like

All 1 videos and posts

Videos and posts

From other divers, via YouTube, Instagram and Facebook. They only load when you click; after that, Google's or Meta's privacy rules apply.

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Other people's footage, not advice: how someone else dives here says nothing about what suits your team. Dive within your training.

The dive

A reddish hydrogen sulphide layer ~10 m thick lies between two water layers with different chemistry. The shallow part has dark organic silt.

Hydrogen sulphide layer: don't clear your mask in it and take off silver jewellery. Dark silt in the shallow part; deep, so decompression.
Profile and sections

A reddish hydrogen sulphide layer ~10 m thick lies between two water layers with different chemistry. The shallow part has dark organic silt.

Depth and profile
Explored on a rebreather to ~75 m, where a bedding plane ends it: by the operator's account the deepest underwater cave in Indonesia. Students stay above 40 m.
Configuration
Deep with decompression: trimix or CCR beyond 40 m (estimate).
Gas
Trimix from 40 m
Who can dive where
  • CaveAt least Full cave
  • Whole caveConfigurations: Backmount / twinset / Sidemount / CCR / Small cylinders / no-mount (speleo sumps)
  • Whole caveGoes down to 75 m (trimix or deco may be needed) · doesn't decide who may dive
  • Whole caveExperienced divers only · doesn't decide who may dive
Experienced diversThrough a dive centre or guide

This is how the planner decides who in your team may dive this cave. Rules your own trip adds (organizer, a mail, the AI) show with your trip.

How to get there

A karst lake ~200 m across on Muna, ~45 minutes' drive from the operator's hotel; the cave starts close to the shore. Only with Sulawesi Dive Trek.

Plan your route ↗

Around Oe Mamba (Muna)

Going to Buton with your team?

Marcel finds the sites that match your team's certifications.

Plan a trip
Something wrong, or do you know more?Depth, access, parking, the current situation: let us know.
Sources, sharing and disclaimer

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Certification requirements, configurations and trimix depths are estimates for planning. Always check them locally and dive within your training. Compiled from web research (Oct 2026): Sulawesi Dive Trek's website (tours, courses, blog of May 2022), InDEPTH (2023), the GUE report of April 2024, Halcyon's article on Expedition Buteng (2025), Oceanographic, Kompas TV and Mongabay Indonesia (2020). No cave has a published entrance, so no pins. Depths and lengths only where a source gives them; certification and configurations are estimates.