Neptune's Thumb

Western Division, Fiji

Depth

40m

Visibility

13m - 38m

Entry

Boat

Experience Level

Experienced

Neptune's Thumb

Western Division, Fiji

Depth

40m

Visibility

13m - 38m

Entry

Boat

Experience Level

Experienced

About Neptune's Thumb

Neptune's Thumb, a pinnacle located 7 miles west of Tavewa. The top of the pinnacle is 7 meters and drops to 40 plus meters. The pinnacle is covered with hard coral, sponges and fans. The top of the pinnacle has numerous anemone beds with anemone fish. Schools of barracuda, reef sharks, trivially and Spanish mackerel frequent the area. Visibility expected 25 plus meters

Neptune's Thumb Dive Info

Terrain & Features

Drop Off, Shark, Reef

Entry Type

Boat

Max Depth

40m

Visibility Range

13m – 38m

Experience Level

Experienced

Best Gas Mix

21% – 28%

O₂

CNS Load (20 min)

13% at 38m / 29%

O₂

Multi-Level Dive Planner

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Marine Life

Barracuda
Reef Sharks
Spanish Mackerel

Weather Conditions

Weather information for Neptune's Thumb coming soon.

Dive Operators near Neptune's Thumb

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Location

Location details missing.

Dive Site Hazards

Edge-Accelerated Currents — Currents often strengthen along drop-off edges.
Depth Perception Distortion — Visual contrast can distort perceived depth.
Terrain-Induced Descent — Divers may unintentionally follow terrain downward.

Situational Awareness Loss — Divers may fixate on sharks and lose depth or position awareness.

Subtle Behavioural Shifts — Changes in shark behaviour may be missed without active observation.

Blue-Water Reference Loss — Lack of visual references increases ascent and descent instability.

Hidden Depth Variations — Complex reef topography can conceal depth changes, leading to unintended profile variations.

Distraction from Marine Activity — High fish activity can distract divers and delay depth or gas awareness.

Rapid Surge Direction Changes — Surge near reef structures can reverse direction quickly, pushing divers sideways into unexpected areas.

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