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Boss 400 Wreck

Boss 400 Wreck

Western Province, South Africa

Depth
Depth Icon

25m

Visibility
Visibility Icon

8m - 23m

Entry
Boat Entry Icon

Boat

Experience Level

Experienced

Boss 400 Wreck

Western Province, South Africa

Boss 400 Wreck
Depth
Depth Icon

25m

Visibility
Visibility Icon

8m - 23m

Entry
Boat Entry Icon

Boat

Experience Level

Experienced

About Boss 400 Wreck
The Boss 400 is a popular wreck and is known to be South Africa's largest Wreck, hence the name Boss. Here you will find a selection of two wrecks stacked ontop of each other. The Boss, (largest crane wreck in South Africa), rests in water of 25 meter meters ontop of the Oakburn Wreck. Beautiful underwater landscape, abundant marine life, and great corals are just some of the things you will find here. Great photo opportunity.

Boss 400 Wreck Dive Info

Terrain & Features

Reef, Wreck

Entry Type

Boat

Max Depth

25m

Visibility Range

8m – 23m

Experience Level

Experienced

Best Gas Mix

21% – 40%

O2
CNS Load (35 min)

16% at 23m / 36%

O2
Multi-Level Dive Planner
Photo gallery

No photos yet.

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Marine Life
  • Cray Fish
  • Groupers
  • Nudibranchs
  • Octopus
  • Various
Weather Conditions
Water Temperature ℃
Dive Operators near Boss 400 Wreck
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Location
Dive Site Hazards

  • 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.

  • Deceptive Entry Openings — Openings may become restrictive inside due to angle, collapse, or corrosion.

  • Surge-Induced Internal Silt Shift — Internal surge can move silt and debris without direct contact.

  • Partial Overhead Environment — Many wrecks limit direct ascent even without full penetration.

  • Fine Rust Particle Silt-Out — Disturbed rust particles can rapidly reduce visibility.

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