Koko Craters
Conditions & tides
Scored by DiveConnect's site-physics model
Marine forecast via Copernicus Marine. Score is a rule-based guide from swell/wind vs. the site's exposure — always dive your own assessment.
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About this site
Koko Craters is a shallow reef dive on Oahu, Hawaii, made up of a series of circular craters in 33 to 40 feet (10 to 12 m) of water. The maximum depth is about 40 feet (11 m).
Layout. Coral ledges surround the sandy bottoms of the craters. Hawaiian green sea turtles like to tuck themselves in there for a rest.
Marine life. Besides the numerous turtles, you may see eels, puffer fish, octopuses and rays.
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Conditions and suitability. Depths are shallow and there is little to no current, which makes the site easy to navigate. No certification is needed for a guided introductory dive, and it is also a leisurely second dive after a wreck dive such as the Corsair.
Marine life here
Confirmed by our research team, reported by independent divers, or observed nearby via iNaturalist — each entry is labelled with its source.
Sea turtleSea turtleReported here · unconfirmed
Redlip ParrotfishScarus rubroviolaceusReported here · unconfirmed
Hawaiian Convict SurgeonfishAcanthurus triostegusReported here · unconfirmed
Pacific Orange-spine UnicornfishNaso lituratusReported here · unconfirmed
Dusky SurgeonfishAcanthurus nigrofuscusReported here · unconfirmed
Pacific Sailfin TangZebrasoma veliferReported here · unconfirmed
Saddle WrasseThalassoma duperreyReported here · unconfirmed
Lagoon TriggerfishRhinecanthus aculeatusReported here · unconfirmed
Dark SurgeonfishAcanthurus blochiiReported here · unconfirmed
Hawaiian Spotted TobyCanthigaster jactatorReported here · unconfirmed
OctopusOctopusConfirmed present · 2 independent sources
PufferfishPufferfishReported here · unconfirmed
Durable tips from divers — access, hazards, marine life, facilities. For day-of conditions, use the report tool in the conditions card above.
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