HTMS Prab 741
เรือหลวงปราบ 741
WWII Warship in the Gulf
A WWII-era Thai Navy vessel sunk as an artificial reef near Koh Ngam Yai — one of the most historically significant wrecks in the Gulf.
Depth Range
18–24m
Site Type
wreck
Chumphon
Visibility
8–25m
27–30°C
Getting There
1 hr boat from Chumphon
Near Koh Ngam Yai
23 Sep
24 Sep
25 Sep
26 Sep
27 Sep
28 Sep
29 Sep
Marine Life
Notable Features
- • WWII-era warship
- • Sunk 2011
- • Excellent marine colonization
- • Historical significance
Best Time to Visit
About HTMS Prab 741
HTMS Prab 741 is a former Thai Navy warship with WWII-era origins, decommissioned and sunk in 2011 near the Koh Ngam islands. Sitting upright at 24m, the wreck has developed excellent marine growth and attracts large schools of batfish and barracuda. The historical significance adds an extra dimension to what is already an impressive dive.
Wreck Information
Vessel
HTMS Prab 741
Length
56m
Sunk
2011
WWII-era Thai Navy warship, decommissioned and sunk as artificial reef near Koh Ngam.
Tips
Combine with reef diving at Koh Ngam Yai/Noi for a full day. Current can be present.
Experience Required
Intermediate to advanced. AOW for scuba.
Location
GPS: 10.8890°N, 99.5840°E
Learn to Freedive in the Gulf of Thailand
Sites like HTMS Prab 741 are what the Gulf has to offer. Get certified with us on Koh Samui — train at Sail Rock and Koh Tao in groups of no more than 3, skip the Koh Tao ferry, and dive the best of the region.
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