Raggie Cave
Depth is the range from the top of the site to its usual maximum; "recommended cert" is the mainstream-agency level operators usually ask for, not a legal rule. Currents and visibility change daily, so treat everything here as planning ranges.
Raggie Cave is not a true cave but a deep, overhung bowl in Aliwal's sandstone, and in winter it fills with exactly what the name says. Ragged-tooth sharks gather here during their mating season, hanging almost motionless in the gully, mouths ajar with that permanent snaggle-toothed menace that belies a placid nature. Divers settle at the rim, keep low, and let the sharks drift past at arm's-length range; ten or more animals share the bowl on good days. Around the edges the shoal's usual cast (morays, rays on the sand, clouds of goldies) carries the dive when the raggies wander.
The moment you come for: Winter aggregations of ragged-tooth sharks at close, calm range
Topography: Sandstone amphitheater and overhung gully in the shoal's fossil-dune reef
Current: Surge and along-shoal current vary with swell; entries are negative drops from RIBs after a surf launch.
Know before you splash
Hazards: Surge in the bowl, current over the shoal, and surf launches to reach it.
Permits & rules: Aliwal Shoal MPA permit required, arranged via operators.
Conservation: Do not block the gully mouths or crowd the sharks: they abandon the site when hemmed in. The species is regionally threatened and these aggregations matter.
Nitrox: Worth it here: profiles sit in the range where enriched air meaningfully extends no-stop time (with the training to use it).
Who you'll meet
Nudibranchs
Sand Tiger (Ragged-Tooth) Shark
Loggerhead Turtle
Giant Moray Eel
Clownfish & Anemonefish
Leaf Scorpionfish
Lionfish
Marbled Ray
Also recorded nearby
"Charted here" species were listed by our editors from the sources on this page. Counts are GBIF occurrence records: observations logged within about 5 km of the charted position since 1990, matched only against the species in our catalogue. They show what has been seen there, not a promise of what you will see.
For photographers
Wide angle: ★★★★★ · Macro: ★★☆☆☆ (editors' 1–5 rating of what this site gives each style of shooting)