DivePlnr
    Key Largo Undersee Park dive site
    reef
    5-20m
    Florida Keys, United States
    John Pennekamp Coral Reef

    Key Largo Undersee Park

    Best months: Apr–Jun

    Protected Area

    John Pennekamp Coral Reef

    Why dive here

    With 87+ marine species recorded in the area - including bull sharks, dolphins, hammerhead sharks, seahorses and sea turtles - Key Largo Undersee Park 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 · max 5-20m
    StandoutRich in charismatic marine life

    Key Largo Undersee Park offers a mix of artificial reefs and natural formations. You'll likely see plenty of snapper, grunts, and barracuda around the smaller wrecks and ledges. It's a solid choice for open water divers looking for a straightforward dive with typical Florida Keys reef inhabitants.

    Typical Key Largo Undersee Park Dive Profile

    5mSafety Stop0m5m max~60 min estimated bottom time

    Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.

    Today06:1818:0011h 42m daylightGolden hour 17:30

    Nearest Dive Centres to Key Largo Undersee Park

    Dive shops near Key Largo Undersee Park

    Ocean First Key Largo, LLC

    29m away
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    Courses
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    Quiescence Diving Services Inc

    770m away
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    Sail Fish Scuba

    781m away
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    Courses

    Sundiver Snorkel Tours

    1km away
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    Dive Shop

    1km away
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    Silent World Dive Center

    4km away
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    Courses
    View all dive centres in Florida Keys

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    Conditions

    Ocean conditions, forecast and tides for Key Largo Undersee Park

    Key Largo Undersee Park Ocean Conditions

    Monthly averages for Key Largo Undersee Park, 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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