Trinity Caves
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
Trinity Caves is a boat dive on the wall off the north-west side of Grand Cayman, known for its swim-through tunnels and cavern-like coral formations. It is listed as one of the best-known swim-through sites on the island.
Coral-formed tunnels cut through the reef and open out over the vertical wall. Massive coral arches and openings make cathedral-style passages, and light filters down through the reef into the small caverns. The dive begins around 15 to 18 m, with the dive covering a depth range of about 14 to 30 m, so both the shallow reef structure and the wall are available depending on your certification.
Intermediate and above. The site is popular with underwater photographers because of the light in the tunnels.
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Along this stretch of wall, visibility is often more than 24 m when it is calm. Current varies with wind and direction, from mild to strong.
Marine life here
Confirmed by our research team, reported by independent divers, or observed nearby via iNaturalist — each entry is labelled with its source.
Common LionfishPterois volitansReported here · unconfirmed
Mustard Hill CoralPorites astreoidesReported here · unconfirmed
Greater Star CoralMontastraea cavernosaReported here · unconfirmed
Atlantic Blue TangAcanthurus coeruleusReported here · unconfirmed
Lobed Star CoralOrbicella annularisReported here · unconfirmed
Longspine SquirrelfishHolocentrus rufusReported here · unconfirmed
West Indian Fuzzy ChitonAcanthopleura granulataReported 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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