Siam Knoll - Tioman Island

Siam Knoll offers a solid dive for those looking to explore a different kind of reef structure around Tioman. You’ll find a mix of hard and soft corals here, often with schools of yellowtail fusiliers swirling around the knoll itself. Keep an eye out for nudibranchs and smaller reef fish tucked into crevices. It’s a good spot for a second dive of the day, enjoyable for divers of all experience levels.

Location
Tioman Island, Malaysia, Southeast Asia
Coordinates
2.316915, 104.094780

Marine Protected Area: Pulau Tinggi Marine Park

Best Time to Dive in Tioman Island

The warmest water temperatures in Tioman Island occur in May, averaging 30.7°C. The coolest conditions are in January at 28.2°C.

Monthly Water Temperatures

  • January: 28.2°C
  • February: 28.3°C
  • March: 29.1°C
  • April: 30.6°C
  • May: 30.7°C
  • June: 29.9°C
  • July: 29.7°C
  • August: 29.5°C
  • September: 29.6°C
  • October: 30.3°C
  • November: 30.0°C
  • December: 28.7°C

Nearby Dive Sites in Tioman Island

Nearest Dive Centres to Siam Knoll

Marine Life in Tioman Island

Home to 118 recorded species including 75 reef fish, 15 hard corals, 8 sharks & rays, 7 seagrass & algae, 5 sea cucumbers, 3 other.

Notable Species

Recommended Packing List for Siam Knoll

Based on average water temperature of 29.6°C, currents 20 cm/s.

  • Shorty or Rashguard - warm 30°C water needs minimal exposure protection
  • Mask - essential for every dive
  • Fins
  • BCD - buoyancy compensator
  • Regulator - your most safety-critical piece of gear
  • Dive Computer - tracks depth, time, and NDL
  • Surface Marker Buoy (SMB) - essential for boat pickups
  • Dive Torch - useful for crevices and colour at depth
  • Underwater Camera - capture your diving memories