Dive site · access from Sumbawa, Moyo & Sangeang
Bubble Reef, Sangeang
Bubble Reef, Sangeang: Volcanic substrate.
- Depth
- 4–28m
- Current
- Moderate
- Minimum level
- Advanced open water
- Access
- Boat
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The case for it
Why dive here
- Volcanic substrate
- Macro life
- Thermal seep bubbles
Check before booking
What may rule it out
- Advanced open water certification is the stated minimum.
- Moderate current can affect whether the site is suitable on the day.
Access and timing
Plan this through Sumbawa, Moyo & Sangeang
Best overall months: May, Jun, Jul, Aug, Sep, Oct. Check the destination planner for operating season, wildlife and other matching sites.
Wildlife
Seen around Sumbawa, Moyo & Sangeang
rareoccasionalcommonly seenpeak seasondestination closed
These are destination-level records, not confirmed sightings at Bubble Reef, Sangeang.
Blue-ringed octopus
| Month | Likelihood |
|---|---|
| January | destination closed |
| February | destination closed |
| March | destination closed |
| April | rare |
| May | rare |
| June | rare |
| July | rare |
| August | rare |
| September | rare |
| October | rare |
| November | rare |
| December | destination closed |
Bumphead parrotfish
| Month | Likelihood |
|---|---|
| January | destination closed |
| February | destination closed |
| March | destination closed |
| April | rare |
| May | rare |
| June | rare |
| July | rare |
| August | rare |
| September | rare |
| October | rare |
| November | rare |
| December | destination closed |
Grey reef shark
| Month | Likelihood |
|---|---|
| January | destination closed |
| February | destination closed |
| March | destination closed |
| April | occasional |
| May | occasional |
| June | occasional |
| July | occasional |
| August | occasional |
| September | occasional |
| October | occasional |
| November | occasional |
| December | destination closed |
Hawksbill turtle
| Month | Likelihood |
|---|---|
| January | destination closed |
| February | destination closed |
| March | destination closed |
| April | occasional |
| May | occasional |
| June | occasional |
| July | occasional |
| August | occasional |
| September | occasional |
| October | occasional |
| November | occasional |
| December | destination closed |
Pygmy seahorse
| Month | Likelihood |
|---|---|
| January | destination closed |
| February | destination closed |
| March | destination closed |
| April | occasional |
| May | occasional |
| June | occasional |
| July | occasional |
| August | occasional |
| September | occasional |
| October | occasional |
| November | occasional |
| December | destination closed |
Nearby alternatives
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Sources & last checked
Checked September 2026
Research is source-backed, but conditions and fees should still be confirmed locally.
View 1 source and checking notes
- Komodo and Sumbawa sample itinerary, Coralia Liveaboard
Note on the data: Coordinates are approximate; not surveyed dive-site GPS.