Florida Keys, United States
    SS Copenhagen Underwater Archaeological Preserve

    Mercedes I

    Best months: Apr–Jun

    Protected Area

    SS Copenhagen Underwater Archaeological Preserve

    Why dive here

    With 87+ marine species recorded in the area - including bull sharks, dolphins, hammerhead sharks, seahorses and sea turtles - Mercedes I 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 Mercedes I, she's a beauty if you like your wrecks with a bit of a story. This 190-foot freighter ran aground in 1984 during a storm, just off Molasses Reef. Now, she rests upright in about 25 feet of water, close enough to the surface that even snorkelers get a good view of her bow. We love diving her on a sunny day; the light filters through the structure beautifully, illuminating schools of grunts and snapper that have claimed the cargo holds. What makes Mercedes special isn't her intactness, but her accessibility and the way marine life has utterly taken over. You can swim through the main deck and peer into the engine room, often spotting a nurse shark tucked away or a massive goliath grouper lurking in the shadows. Look closely at the superstructure for colourful sponges and anemones. We'd suggest going early to avoid the crowds, especially if you want to take your time exploring her nooks and crannies. It’s a site that suits everyone, from new divers getting their first taste of a wreck to seasoned pros looking for an easy, relaxing dive with plenty to see.

    Safety Notes

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

    Today06:1717:5911h 41m daylightGolden hour 17:28

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    Conditions

    Ocean conditions, forecast and tides for Mercedes I

    Mercedes I Ocean Conditions

    Monthly averages for Mercedes I, 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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