Dive-site story
Riko Riko Cave, on the western flank of the Poor Knights Islands, opens into an immense submerged amphitheater. Light filtering through the mouth yields silhouette photo angles before fading to twilight over a boulder-strewn sediment floor. Ocean swells rarely penetrate the interior, making the site a reliable second dive and lunch anchorage for charter vessels in the reserve.
Submerged sea cave illuminated by daylight filtering through the wide entrance
Kelp-fringed rock walls hosting encrusting organisms and macro life
Protected waters suited for silhouette photography and buoyancy control
Location
Use the map to plan with your operator and confirm the exact entry point on the day.
Seasonality
Late summer and autumn bring subtropical currents alongside migratory fish species.
Marine life
| Species | Likelihood | J | F | M | A | M | J | J | A | S | O | N | D |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Short-tail stingrayBathytoshia brevicaudata | Common | ||||||||||||
| Lord Howe coralfishAmphichaetodon howensis | Seasonal | ||||||||||||
| Yellow morayGymnothorax prasinus | Common | ||||||||||||
| Sandager's wrasseCoris sandageri | Common | ||||||||||||
| Pink maomaoCaprodon longimanus | Common | ||||||||||||
| Spotted black grouperEpinephelus daemelii | Rare |
Marine forecast
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