BUSSEL
Protected Area
Khao Laem Ya - Mu Ko Samet
Why dive here
With 54+ marine species recorded in the area - including sea turtles, tiger sharks and pufferfish - BUSSEL offers some of Koh Tao's richest wreck diving. Water ranges 29-31°C, warmest April, May, June.
Bussel, or the MV Trident as some still call her, is one of those wrecks we keep coming back to on Koh Tao. She’s not huge, just an 18-metre tugboat, but what she lacks in size, she makes up for in character and accessibility. Sunk back in ’98, she lies upright at 26 metres, a perfect depth for a solid bottom time without pushing deco limits too hard. Our favourite thing about Bussel is how she’s become a home. Schools of yellowtail barracuda often hang motionless just above the deck, and you’ll usually find big groupers tucked into the wheelhouse. We’ve seen morays poking out from almost every opening, and there’s a good chance of spotting a banded sea krait slithering around the propeller. The gentle currents here mean the soft corals have really taken hold, a colourful contrast to the rusted steel. You can swim through the wheelhouse and down into the engine room, though it’s a tight squeeze in some spots, so a good buoyancy is a must. We’d suggest going in the morning; the light filters down beautifully, illuminating the structure and the fish. It’s a great dive for anyone comfortable at depth and keen on a wreck that’s truly integrated with its environment. Just watch your head on the low beams inside.
Typical BUSSEL Dive Profile
Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.
Safety Notes
Depth of 26m - Advanced Open Water certification recommended.
Wreck site - avoid penetration without wreck diving certification. Watch for sharp metal and entanglement hazards.
Always perform a 3-minute safety stop at 5m before surfacing.
BUSSEL Wreck History
Year Sunk
1998
Vessel Type
tugboat
Cause
unknown
The tugboat Bussel was on its final journey in August 1998, a simple passage under tow from Brunei to the Unithai Shipyard in Laem Chabang, Thailand, presumably for repairs or scrapping. But the sea had other plans. During the tow, the 18-meter tugboat unexpectedly capsized and sank, leaving its journey unfinished and its story resting on the seabed off the coast of Koh Tao.
Today, the Bussel is an exciting mid-range wreck dive for visitors to the popular Thai island. Sitting at a depth of 26 meters, it is perfectly suited for advanced open water divers. The tugboat is relatively small but largely intact, allowing divers to explore its deck, wheelhouse, and the surrounding debris field. Over the years, it has transformed into a thriving artificial reef, attracting schools of fish and a wide variety of macro life, making the Bussel a rewarding dive that combines maritime history with vibrant underwater scenery.
Nearest Dive Centres to BUSSEL
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Udi's Scuba diving
INDY FREEDIVE
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Reviews for BUSSEL
Conditions
Ocean conditions, forecast and tides for BUSSEL
BUSSEL Ocean Conditions
Monthly averages for BUSSEL, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (11.17, 101.33) (40km away)
October Averages
Sea Temperature
30°C
86°F · Range: 29.1–31.1°C
Current Speed
7.07 cm/s
Direction: E (98.1°)
Salinity
31.67 PSU
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data + Copernicus Marine (EU)
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