Lighthouse Reef, Belize
    Zone 2

    Long Caye Aquarium

    Best months: Oct–Jan

    Protected Area

    Zone 2

    Why dive here

    With 213+ marine species recorded in the area - including barracuda, dolphins, eagle rays, nurse sharks and sea turtles - Long Caye Aquarium offers some of Lighthouse Reef's richest reef diving. Water ranges 27-30°C, warmest August, September, October.

    Best timeOct–Jan
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBarracuda, Dolphins, Eagle Rays, Nurse Sharks and Sea Turtles · 213+ species recorded
    Water27-30°C · warmest August, September, October
    CharacterReef dive
    StandoutExceptional marine biodiversity

    Long Caye Aquarium is a site we keep coming back to in Lighthouse Reef. It's not a deep dive, typically hovering around 10-15 meters, making it perfect for longer bottom times and really soaking in the details. We love it because it feels like a living diorama, an open-air classroom for observing some of the reef’s smaller, more elusive characters. Look closely and you'll spot Roughhead Triplefins and Rosy Blennies peeking from crevices, or a Saddle Stargazer buried in the sand, just its eyes showing. We often see Caribbean Chestnut Morays snaking through the Finger Coral, and the Mustard Hill Coral formations are particularly healthy here. The site excels in macro life, though the occasional Sheephead or Grunt school will cruise by. Our favourite time to dive it is late morning, when the light really makes the colours pop, especially on the Flamefish. It's a gentle dive, suited for anyone who appreciates slowing down and truly observing the intricate life of the reef rather than just chasing big pelagics.

    Today05:4317:3311h 50m daylightGolden hour 17:04

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    Conditions

    Ocean conditions, forecast and tides for Long Caye Aquarium

    Long Caye Aquarium Ocean Conditions

    Monthly averages for Long Caye Aquarium, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (17.22, -87.61) (6km away)

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    October Averages

    Sea Temperature

    30°C

    86°F · Range: 29.1–31.7°C

    Current Speed

    11.66 cm/s

    Direction: NW (301°)

    Chlorophyll-a

    0.074 mg/m³

    Very clear (oligotrophic)

    Salinity

    35.96 PSU

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

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