Pat’s Wall
Protected Area
Radio Mast - Sand Bluff (Grand Cayman)
Why dive here
With 327+ marine species recorded in the area - including barracuda, bull sharks, oceanic whitetip sharks, orcas and sea turtles - Pat’s Wall offers some of Grand Cayman's richest reef diving. Water ranges 27-31°C, warmest August, September, October.
Pat’s Wall is one of those East End dives where you really feel the scale of the Cayman Trench. We love that it’s just a five-minute boat ride, but it feels a world away once you drop in. The wall itself starts around 18 metres, then just… drops. You’ll find these incredible coral spurs that jut out, creating canyons you can weave through, sometimes so narrow you’re brushing against the sponges. We’ve seen schools of broad shad so thick here they shimmer like a liquid silver curtain, momentarily blocking out the blue. Keep an eye out for yellowtail parrotfish grazing on the reef, and grey snapper hanging out under ledges. We’ve had a few encounters with chain morays peeking out of holes, and the sponges, especially the barrel sponges, are genuinely massive. It’s a great spot for advanced divers who appreciate a good wall and aren't afraid of a bit of depth. The currents here can sometimes pick up a bit, especially on the corners, so stay aware of your positioning.
Typical Pat’s Wall Dive Profile
Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.
Safety Notes
Depth of 25m - Advanced Open Water certification recommended.
Always perform a 3-minute safety stop at 5m before surfacing.
Nearest Dive Centres to Pat’s Wall
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Ocean Frontiers
Tortuga Divers
Silver Thatch Watersports
Divers Down
OCTOPUS
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Reviews for Pat’s Wall
Conditions
Ocean conditions, forecast and tides for Pat’s Wall
Pat’s Wall Ocean Conditions
Monthly averages for Pat’s Wall, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (19.38, -81.32) (5km away)
October Averages
Sea Temperature
30°C
87°F · Range: 29.1–31.8°C
Current Speed
4.47 cm/s
Direction: NW (296.6°)
Chlorophyll-a
0.045 mg/m³
Very clear (oligotrophic)
Salinity
36.14 PSU
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data + Copernicus Marine (EU)
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