Grand Cayman, Cayman Islands
    Cayman Dive Lodge (Grand Cayman)

    Lighthouse Wall

    Best months: Dec–Mar

    Protected Area

    Cayman Dive Lodge (Grand Cayman)

    Why dive here

    With 327+ marine species recorded in the area - including barracuda, bull sharks, oceanic whitetip sharks, orcas and sea turtles - Lighthouse Wall offers some of Grand Cayman's richest reef diving. Water ranges 27-31°C, warmest August, September, October.

    Best timeDec–Mar
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBarracuda, Bull Sharks, Oceanic Whitetip Sharks, Orcas and Sea Turtles · 327+ species recorded
    Water27-31°C · warmest August, September, October
    CharacterReef dive
    StandoutExceptional marine biodiversity

    Lighthouse Wall, out on Grand Cayman's East End, feels a little different from some of the busier spots. We love that it’s usually quieter, especially if you get there before the crowds. The wall itself starts around 15 metres, dropping into a deep blue, but it’s the jagged points and sandy channels before the main event that we always spend time exploring. Keep an eye out for Hogfish rooting around in the sand, and we’ve spotted Midnight Parrotfish here more than a few times, their scales shimmering as they cruise past. The unique razor-thin formations give the wall a distinct texture. You can see big plate-like deep-water star corals growing horizontally, and if you look closely, especially near the sponges, there are plenty of small invertebrates – we’ve seen Blackberry Drupes and Pearl Blennies clinging on. There's an old, encrusted rope hanging over the drop-off, which makes a good marker and adds to the site's character. Visibility usually sits around 24 metres, giving you a good view of the wall's contours and the abundant French Grunts and Grey Snappers schooling further out. It’s a solid wall dive for anyone looking for something a bit less manicured, with a real sense of exploration.

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    Conditions

    Ocean conditions, forecast and tides for Lighthouse Wall

    Lighthouse Wall Ocean Conditions

    Monthly averages for Lighthouse Wall, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (19.38, -81.32) (5km away)

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    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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