Florida Keys, United States
    Conch Reef Sanctuary Preserva Sanctuary

    Conch Reef

    Best months: Apr–Jun

    Protected Area

    Conch Reef Sanctuary Preserva Sanctuary

    Why dive here

    With 87+ marine species recorded in the area - including bull sharks, dolphins, hammerhead sharks, seahorses and sea turtles - Conch Reef offers some of Florida Keys's richest reef diving. Water ranges 19-32°C, warmest July, August, September.

    Best timeApr–Jun
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBull Sharks, Dolphins, Hammerhead Sharks, Seahorses and Sea Turtles · 87+ species recorded
    Water19-32°C · warmest July, August, September
    CharacterReef dive
    StandoutRich in charismatic marine life

    Conch Reef, for us, is one of those spots in the Upper Keys that just consistently delivers. It’s got that classic spur-and-groove formation we really like, starting shallow and then dropping off to around 30 meters. What makes it special? The sheer scale of the coral structures. You get huge heads of boulder brain coral and great star coral, some of them a good few meters across, forming these canyons you can swim through. It feels ancient down there. We often find ourselves spotting reef scorpionfish tucked into crevices; they’re masters of camouflage, so keep your eyes peeled. And the blennies! Longfin blennies bobbing on the coral are always a treat. Our favourite part has to be the deeper ledges, where the light starts to soften and you often see larger pelagics cruise by. We’d suggest hitting this one on a calm day; the currents can pick up, especially further out. It’s a site that rewards a slow, deliberate dive, giving you time to appreciate the sheer size and health of the coral formations and the smaller creatures that call them home.

    Today06:1818:0111h 42m daylightGolden hour 17:30

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    Conditions

    Ocean conditions, forecast and tides for Conch Reef

    Conch Reef Ocean Conditions

    Monthly averages for Conch Reef, sourced from NOAA NDBC + Copernicus Marine (EU) - nearest station: 8725520 - Fort Myers, FL (28km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    27°C

    81°F · Range: 20.9–31.1°C

    Air Temperature

    26°C

    79°F

    Current Speed

    0 cm/s

    Direction: S (180°)

    Salinity

    35.98 PSU

    Wind Speed

    2.7 m/s

    5.2 knots

    Atmospheric Pressure

    1014.5 hPa

    Based on 5 years of monitoring data · Data sources: NOAA NDBC + Copernicus Marine (EU)

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