Dive site · access from Koh Tao
White Rock (Hin Khao)
One of Koh Tao's busiest reef sites — extensive granite boulders and coral in 5–22m, used for courses and night dives.
- Depth
- 5–22m
- Current
- Mild
- Minimum level
- Open water
- Access
- Boat
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The case for it
Why dive here
- Large granite boulders and coral, all levels
- Popular training and night-dive site
- Barracuda, bluespotted rays and macro
Check before booking
What may rule it out
- Conditions can change. Confirm depth, current and access with a local operator.
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 White Rock (Hin Khao).
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.