15-30m
    Florida Keys, United States
    Half Moon Underwater Archaeological Preserve

    Orion wreck

    Best months: Apr–Jun

    Protected Area

    Half Moon Underwater Archaeological Preserve

    Why dive here

    With 87+ marine species recorded in the area - including bull sharks, dolphins, hammerhead sharks, seahorses and sea turtles - Orion wreck 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 · max 15-30m
    StandoutRich in charismatic marine life

    The Orion wreck, just north of Key Largo, is one of those wrecks we keep going back to. We love it because it’s a real classic Keys wreck: not too deep, well-colonized, and with enough history to make you feel like you’re diving a piece of the past. Dropping down, you’ll find it sitting upright in about 25 metres of water, mostly intact with a slight list to port. The visibility here is often fantastic, 20 metres isn't uncommon, letting you really appreciate the scale. What really gets us about the Orion are the penetrations. Nothing too crazy, but there are some accessible swim-throughs in the cargo holds that are just begging to be explored, especially if you’re comfortable with overhead environments. Inside, the light plays through the openings, illuminating schools of grunt and snapper that hang suspended, seemingly undisturbed by divers. Outside, the superstructure is draped in soft corals, and we’ve often found substantial goliath grouper lurking in the shadows near the bow, huge and placid. Our favourite is exploring the stern, where the prop is still visible and often surrounded by clouds of silversides. It’s a rewarding dive for advanced open water divers looking for a bit of wreck exploration without the extreme depths.

    Typical Orion wreck Dive Profile

    5m10m15mSafety Stop0m15m max~50 min estimated bottom time

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

    Safety Notes

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

    Always perform a 3-minute safety stop at 5m before surfacing.

    Today06:1717:5911h 42m daylightGolden hour 17:28

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    Conditions

    Ocean conditions, forecast and tides for Orion wreck

    Orion wreck Ocean Conditions

    Monthly averages for Orion wreck, 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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