Florida Keys, United States
    Phil Foster

    Colson s Barge

    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 - Colson s Barge 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

    Colson’s Barge, just off Marathon, is a site we’ve always enjoyed for a relaxed dive that still delivers some character. It’s not one of those dramatic, upright wrecks, more a scattered collection of barges and debris, but that’s actually part of its charm. The broken nature of it creates so many nooks and crannies, perfect for nurse sharks to snooze in and for big schools of grunts and snapper to swirl around. We’ve found the bow section to be the most intact part, and if you fin your way through the smaller pieces, you’ll spot lobsters tucked into every crevice. Visibility here can sometimes be a bit of a mixed bag, particularly after a strong blow, but on a good day, sunlight filters beautifully through the water, highlighting the coral growth that’s started to encrust the metal. It’s an easy dive, shallow enough for extended bottom times, making it a great second dive of the day, or just a mellow afternoon trip when you’re not chasing big pelagics.

    Safety Notes

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

    Today06:1717:5811h 40m daylightGolden hour 17:27

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    Conditions

    Ocean conditions, forecast and tides for Colson s Barge

    Colson s Barge Ocean Conditions

    Monthly averages for Colson s Barge, 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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