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CaveReefBoat DiveMarineUnverified

NBM Dive Site Resource

Big Cave, Durban

Durban, KwaZulu-Natal, South Africa

UNVERIFIED — Big Cave, Durban is a currently documented South African dive site. A large roofed ledge and cave feature on Blood Reef.

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Historic Picture Placeholder

Old-fashioned maritime line drawing reserved for a future historic photograph
Historic Picture PlaceholderHistoric photograph pending research and rights review
WaterMarine
AccessGuided boat dive. Treat any roofed section as an overhead environment; do not enter without suitable training, equipment and a locally approved plan.
ExperienceAdvanced Open Water; overhead/cavern training required for entry
Maximum depth15–18 m
Best seasonDived year-round when sea conditions permit; Durban visibility is often best from roughly March through July. Seasonal animal encounters are not guaranteed.
VisibilityHighly variable; river and harbour runoff, swell, wind, plankton and current can reduce visibility quickly. Winter often provides better Durban conditions.

Aquatic life at this dive site

What divers may encounter

Three reviewed connections are featured here. Sightings vary by season, conditions, and chance, so they are never guaranteed.

Profile connection reserved

Aquatic life research in progress

NBM is reviewing a likely local species for this position.

Profile connection reserved

Aquatic life research in progress

NBM is reviewing a likely local species for this position.

Profile connection reserved

Aquatic life research in progress

NBM is reviewing a likely local species for this position.

Site media

Photographs

Three views rotate from the published gallery on each visit.
Illustrated scuba diver reserved for a future dive-site photograph
Dive Photograph PlaceholderDive-site photograph pending
Illustrated scuba diver reserved for a future dive-site photograph
Dive Photograph PlaceholderDive-site photograph pending
Illustrated scuba diver reserved for a future dive-site photograph
Dive Photograph PlaceholderDive-site photograph pending

Contributor media

Dive videos

Three featured video positions are reserved on every profile.
Dive-site video pending
Dive-site video pending
Dive-site video pending

Published reference location

Location map

The marker shows the public coordinates associated with this profile. Confirm current access, moorings, and departure details before the dive.
Published reference coordinates-29.91000, 31.06000
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Map zoom level 1 of 11

Map data © OpenStreetMap contributors

Recent field observations

Diver-reported temperatures

Automatically checked observations from dives during the past 14 days. Three reports are visible at a time; scroll for more.
Automatically checked
No recent diver reports from the past 14 days

A report that passes the automatic checks will appear here with the dive date, diver’s display name, and temperatures at each depth.

Reports are automatically checked for plausible dates, depths, and temperatures. They are observations, not forecasts; confirm conditions before diving.

Diver field observation

Report temperatures

Reports publish automatically when the date, depths, and temperatures pass the checks. You must be signed in to submit.

Depth readings

Why divers know this place

Highlights

A large roofed ledge and cave feature on Blood Reef.

Before you arrive

Access notes

Coordinate is a conservative rounded locality display point only—not an entry, launch, mooring, wreck position, cave entrance, shot line, drop point, ascent line or navigation waypoint. Confirm current MPA, harbour, construction and access restrictions.

Plan within your training

Conditions and hazards

Current, surge, swell, low visibility, shipping and ski-boat traffic, entanglement, fishing gear, separation and unstable wreck structure. Overhead entry and wreck penetration require appropriate certification; deep sites require gas and decompression planning.

At the site

Facilities and support

Durban Undersea Club currently documents scuba activities, dive vouchers, training, club dives and Durban reef/wreck registers. Reconfirm equipment, fills, oxygen, communications, launch and evacuation arrangements.

Independent resource notice

This record is a starting point for independent verification. Access, closures, moorings, weather, currents, depth, visibility, operator availability, and site conditions can change without notice. Confirm current information with the responsible operator, property owner, managing authority, or another qualified local source before planning or attempting a dive.