Dive site · access from Koh Tao
Southwest Pinnacle
A group of pinnacles rising from ~30m to within ~6m of the surface.
- Depth
- 6–30m
- Current
- Moderate
- Minimum level
- Advanced open water
- Access
- Boat
Loading dive-site map…
The case for it
Why dive here
- Cluster of granite pinnacles southwest of Koh Tao
- Anemone-covered rock with schooling fish
- Occasional whale sharks
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 Koh Tao
Best overall months: Apr, May, Jun, Jul, Aug, Sep. Check the destination planner for operating season, wildlife and other matching sites.
Wildlife
Seen around Koh Tao
rareoccasionalcommonly seenpeak seasondestination closed
These are destination-level records, not confirmed sightings at Southwest Pinnacle.
Whale shark
| Month | Likelihood |
|---|---|
| January | rare |
| February | rare |
| March | occasional |
| April | occasional |
| May | occasional |
| June | rare |
| July | rare |
| August | rare |
| September | occasional |
| October | occasional |
| November | rare |
| December | rare |
Bigeye trevally
| Month | Likelihood |
|---|---|
| January | occasional |
| February | occasional |
| March | occasional |
| April | occasional |
| May | occasional |
| June | occasional |
| July | occasional |
| August | occasional |
| September | occasional |
| October | occasional |
| November | occasional |
| December | occasional |
Hawksbill turtle
| Month | Likelihood |
|---|---|
| January | occasional |
| February | occasional |
| March | occasional |
| April | occasional |
| May | occasional |
| June | occasional |
| July | occasional |
| August | occasional |
| September | occasional |
| October | occasional |
| November | occasional |
| December | occasional |
Bluespotted ribbontail ray
| Month | Likelihood |
|---|---|
| January | occasional |
| February | occasional |
| March | occasional |
| April | occasional |
| May | occasional |
| June | occasional |
| July | occasional |
| August | occasional |
| September | occasional |
| October | occasional |
| November | occasional |
| December | occasional |
Great barracuda
| Month | Likelihood |
|---|---|
| January | occasional |
| February | occasional |
| March | occasional |
| April | occasional |
| May | occasional |
| June | occasional |
| July | occasional |
| August | occasional |
| September | occasional |
| October | occasional |
| November | occasional |
| December | occasional |
Nearby alternatives
Compare another site
Sources & last checked
Checked July 2026
Research is source-backed, but conditions and fees should still be confirmed locally.
View 1 source and checking notes
- Koh Tao Dive Sites – Complete Guide, Sairee Cottage Diving
Note on the data: Coordinates are approximate; not surveyed dive-site GPS.