Cayman Brac, Cayman Islands
    Cayman Brac East

    Lighthouse Reef - Cayman Brac

    Best months: Jan–Mar

    Protected Area

    Cayman Brac East

    Why dive here

    With 140+ marine species recorded in the area - including barracuda, orcas, sea turtles and pufferfish - Lighthouse Reef - Cayman Brac offers some of Cayman Brac's richest reef diving. Water ranges 27-31°C, warmest August, September, October.

    Best timeJan–Mar
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBarracuda, Orcas, Sea Turtles and Pufferfish · 140+ species recorded
    Water27-31°C · warmest August, September, October
    CharacterReef dive
    StandoutRich in charismatic marine life

    Lighthouse Reef is one of our favourite afternoon drifts. Not too deep, maxing out at about 18 metres, it’s a brilliant site for soaking in the Caribbean vibe without worrying too much about your NDLs. We love dropping in near the West End dock and just letting the current carry us gently along the inner reef. You’ll find plenty of swim-throughs here, perfect for poking around to spot slipper lobsters tucked into crevices or a nurse shark having a snooze under an overhang. The light plays beautifully through the coral formations, especially when the sun is high, illuminating schools of bluestriped grunts and French grunts that just hang suspended in the water column. Keep an eye out for the smaller stuff too – dusky damselfish flitting around the bluestriped grunts, and we’ve even spotted the occasional conchfish. Visibility here averages around 24 metres, which makes for some lovely wide-angle photo opportunities of the reef structure. It’s a super relaxed dive, ideal for a multi-tank day or when you just want a straightforward, enjoyable tour of a healthy reef.

    Today06:1318:0111h 48m daylightGolden hour 17:32

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    Conditions

    Ocean conditions, forecast and tides for Lighthouse Reef - Cayman Brac

    Lighthouse Reef - Cayman Brac Ocean Conditions

    Monthly averages for Lighthouse Reef - Cayman Brac, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (19.68, -79.9) (4km away)

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    October Averages

    Sea Temperature

    31°C

    87°F · Range: 29.5–31.7°C

    Current Speed

    3.61 cm/s

    Direction: SW (213.7°)

    Chlorophyll-a

    0.043 mg/m³

    Very clear (oligotrophic)

    Salinity

    36.19 PSU

    Based on 4 years of monitoring data · Data sources: Open-Meteo marine data + Copernicus Marine (EU)

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