Florida Keys, United States
    Phil Foster

    Esso Bonnaire

    Best months: Apr–Jun

    Protected Area

    Phil Foster

    Why dive here

    With 87+ marine species recorded in the area - including bull sharks, dolphins, hammerhead sharks, seahorses and sea turtles - Esso Bonnaire offers some of Florida Keys's richest wreck 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
    CharacterWreck dive
    StandoutRich in charismatic marine life

    The Esso Bonnaire is a real treat for wreck divers, especially if you’re into a bit of history with your dive. This isn’t a purpose-sunk artificial reef, it’s a genuine casualty of a hurricane back in 1969, and you can feel that sense of history as you descend. We love that it’s broken up, but not so much that it's just a pile of rubble. Instead, you get these fantastic, dramatic sections of hull and machinery scattered across the sand, creating perfect little hideouts for marine life. As you navigate through the wreckage, expect to spot schools of grunt and snapper darting in and out of the shadows. There are always a few Goliath groupers lurking, often tucked right against a particularly large piece of metal, eyeing you curiously. Keep an eye out for moray eels too, we’ve seen some hefty green morays peeking from crevices. Our favourite part has to be the large boiler section; it's a fantastic spot for photography, especially when the light hits it just right and illuminates the clouds of tiny silversides. It’s a great site for divers who appreciate the story behind a wreck, and who enjoy a more explorative, less linear dive. Currents can pick up a bit, so we’d suggest timing your dive for slack tide if you want a more relaxed exploration.

    Safety Notes

    Wreck site - avoid penetration without wreck diving certification. Watch for sharp metal and entanglement hazards.

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    Conditions

    Ocean conditions, forecast and tides for Esso Bonnaire

    Esso Bonnaire Ocean Conditions

    Monthly averages for Esso Bonnaire, 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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