Old Isaac's
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.
Dived here today? How were conditions vs. what we showed?
About this site
Old Isaac's lies along the coast of Grand Cayman in the Cayman Islands, part of the network of reef and wall sites that ring the island, and dive boats operating out of the island's western and northern shores commonly reach it within a short run from harbor. The site is a wall dive with a maximum depth of around 20 metres, rated as an intermediate dive.
AI overviewMarine life here
Confirmed by our research team, reported by independent divers, or observed nearby via iNaturalist — each entry is labelled with its source.
Symmetrical Brain CoralPseudodiploria strigosaReported here · unconfirmed
Mustard Hill CoralPorites astreoidesReported here · unconfirmed
Elkhorn CoralAcropora palmataReported here · unconfirmed
Massive Starlet CoralSiderastrea sidereaReported here · unconfirmed
Atlantic Blue TangAcanthurus coeruleusReported here · unconfirmed
Black TriggerfishMelichthys nigerReported here · unconfirmed
Yellowtail DamselfishMicrospathodon chrysurusReported here · unconfirmed
Lobed Star CoralOrbicella annularisReported here · unconfirmed
Stoplight ParrotfishSparisoma virideReported 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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