Florida Keys, United States
    Sombrero Key Sanctuary Preserva Sanctuary

    Sombrero Key

    Best months: Apr–Jun

    Protected Area

    Sombrero Key Sanctuary Preserva Sanctuary

    Why dive here

    With 87+ marine species recorded in the area - including bull sharks, dolphins, hammerhead sharks, seahorses and sea turtles - Sombrero Key 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

    Sombrero Key is easily one of our favourite dives in the Middle Keys. It’s got that classic Florida Keys feel, but somehow manages to feel a bit wilder than some of the more southerly spots. We love dropping down near the lighthouse, where the reef starts shallower and then slopes gently. You often hit a decent current here, so be ready for a drift, but that’s usually what brings in the action. The reef itself is a proper coral landscape, with plenty of big brain corals and star corals providing cover. We always see hefty Atlantic spadefish cruising by, often with schools of mutton snapper right behind them. Keep an eye out for trumpetfish hanging vertically, trying to disappear into the gorgonians, and if you’re patient, you might spot a dusky blenny peering out from a crevice. It’s a great spot for macro too, especially if you look for reticulated brittle stars tucked away. We’d suggest going in the morning before boat traffic picks up, you get a quieter dive and better light.

    Today06:2118:0411h 43m daylightGolden hour 17:33

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    Conditions

    Ocean conditions, forecast and tides for Sombrero Key

    Sombrero Key Ocean Conditions

    Monthly averages for Sombrero Key, 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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