

Best for intermediate divers, 5-15m, boat entry, strong current.
The HTMS Thonburi is a historic Thai warship wreck located 200 metres offshore in the Gulf of Thailand. Resting at depths between 5 and 15 metres, this artificial reef serves as a site for intermediate divers. Access is by boat only. Conditions are variable, with visibility ranging from 0 to 10 metres and strong currents that can shift rapidly. Divers should be aware of entanglement risks within the structure and avoid confined spaces unless trained for overhead environments. Due to unpredictable visibility, carrying a torch is recommended to navigate the wreck. Briefing with your operator regarding tidal timing is essential before entry.
11.94925, 102.42432
Current at the HTMS Thonburi can shift quickly, so brief with your operator on the day about tidal timing before you kit up. Visibility is unpredictable, so carry a torch even on a daytime dive to pick out detail inside the structure.
Enlist the help of local fishing boats or dive shops to locate the wreck, which is marked by two large red buoys.
Recorded nearby, within 20km
Depth
5-15m
Visibility
0-10m
Skill Level
Intermediate
Entry
Boat
Boat required
Water Temp
29-31°C
Current
Strong
Typical Dive
50 min
No, this site is rated for intermediate divers due to strong currents, potential for low visibility, and entanglement hazards within the wreck structure.
The wreck lies in 5 to 15 metres of water, with an average depth of 10 metres.
The site is 200 metres from shore and requires boat access.
Hazards include strong, shifting currents, low visibility, and entanglement risks within the wreck structure.
Diving at HTMS Thonburi Wreck in Koh Chang requires the following certifications: Open Water. Always dive within your training limits.
A rashguard or 2mm shorty is recommended for diving at HTMS Thonburi Wreck in Koh Chang. Water temperatures range from 29°C to 31°C.
HTMS Thonburi Wreck in Koh Chang can have strong currents. Advanced experience with drift diving and current navigation is recommended.
Visibility at HTMS Thonburi Wreck in Koh Chang can reach up to 10 metres. Conditions vary with weather, tides, and seasons.