Dive site · access from Koh Chang
HTMS Chang Wreck
Thailand's largest wreck, about 30 minutes by boat from Koh Chang.
- Depth
- 5–30m
- Current
- Mild
- Minimum level
- Advanced open water
- Access
- Boat
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The case for it
Why dive here
- 100m ex-USS Lincoln County (LST-898) scuttled 2012, Thailand's largest wreck, sitting upright
- Crow's nest near 5m to sandy bottom at 30m; upper decks diveable by Open Water, deck and bottom need AOW/Deep
- Resident barracuda, batfish, groupers, lionfish and morays; occasional whale shark
Check before booking
What may rule it out
- Advanced open water certification is the stated minimum.
Access and timing
Plan this through Koh Chang
Best overall months: Nov, Dec, Jan, Feb, Mar, Apr. Check the destination planner for operating season, wildlife and other matching sites.
Wildlife
Seen around Koh Chang
rareoccasionalcommonly seenpeak seasondestination closed
These are destination-level records, not confirmed sightings at HTMS Chang Wreck.
Whale shark
| Month | Likelihood |
|---|---|
| January | rare |
| February | rare |
| March | rare |
| April | rare |
| May | rare |
| June | destination closed |
| July | destination closed |
| August | destination closed |
| September | destination closed |
| October | rare |
| November | rare |
| December | rare |
Bluespotted ribbontail ray
| Month | Likelihood |
|---|---|
| January | commonly seen |
| February | commonly seen |
| March | commonly seen |
| April | commonly seen |
| May | commonly seen |
| June | destination closed |
| July | destination closed |
| August | destination closed |
| September | destination closed |
| October | commonly seen |
| November | commonly seen |
| December | commonly seen |
Giant moray
| Month | Likelihood |
|---|---|
| January | commonly seen |
| February | commonly seen |
| March | commonly seen |
| April | commonly seen |
| May | commonly seen |
| June | destination closed |
| July | destination closed |
| August | destination closed |
| September | destination closed |
| October | commonly seen |
| November | commonly seen |
| December | commonly seen |
Great barracuda
| Month | Likelihood |
|---|---|
| January | commonly seen |
| February | commonly seen |
| March | commonly seen |
| April | commonly seen |
| May | commonly seen |
| June | destination closed |
| July | destination closed |
| August | destination closed |
| September | destination closed |
| October | commonly seen |
| November | commonly seen |
| December | commonly seen |
Anemonefish
| Month | Likelihood |
|---|---|
| January | commonly seen |
| February | commonly seen |
| March | commonly seen |
| April | commonly seen |
| May | commonly seen |
| June | destination closed |
| July | destination closed |
| August | destination closed |
| September | destination closed |
| October | commonly seen |
| November | commonly seen |
| December | commonly seen |
Nearby alternatives
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Sources & last checked
Checked July 2026
Research is source-backed, but conditions and fees should still be confirmed locally.
View 2 sources and checking notes
- HTMS Chang, Wikipedia
- HTMS Chang Wreck – Thailand's Largest Shipwreck, Chang Diving
Note on the data: Coordinates are approximate; not surveyed dive-site GPS.