Second Small Reef - Great Barrier Reef

Second Small Reef provides a straightforward dive into the Great Barrier Reef's coral structures. You'll find a good variety of the usual reef fish here, along with healthy hard and soft corals. It's a solid choice for a relaxed dive, particularly if you're looking for a quieter spot away from the more crowded sites.

Location
Great Barrier Reef, Australia, Australasia
Coordinates
-12.578889, 143.792220
Type
reef

Marine Protected Area: Mitirinchi Island

Best Time to Dive in Great Barrier Reef

The warmest water temperatures in Great Barrier Reef occur in February, averaging 29.5°C. The coolest conditions are in August at 25.0°C.

Monthly Water Temperatures

  • January: 29.4°C
  • February: 29.5°C
  • March: 29.2°C
  • April: 28.4°C
  • May: 26.9°C
  • June: 25.8°C
  • July: 25.1°C
  • August: 25.0°C
  • September: 25.4°C
  • October: 26.6°C
  • November: 27.7°C
  • December: 29.0°C

Nearby Dive Sites in Great Barrier Reef

Nearest Dive Centres to Second Small Reef

Marine Life in Great Barrier Reef

Home to 163 recorded species including 88 reef fish, 61 hard corals, 9 seagrass & algae, 2 sharks & rays, 1 starfish, 1 sea snails & nudibranchs.

Notable Species

Recommended Packing List for Second Small Reef

Based on average water temperature of 27.3°C, currents 17 cm/s.

  • Shorty or Rashguard - warm 27°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