43m
    Inner Islands, Seychelles
    Silhouette Marine National Park

    ILE DENIS

    Best months: Oct–Feb

    Protected Area

    Silhouette Marine National Park

    Why dive here

    With 183+ marine species recorded in the area - including barracuda, dolphins, sea turtles, sperm whales and lionfish - ILE DENIS offers some of Inner Islands's richest wreck diving. Water ranges 27-30°C, warmest March, April, May.

    Best timeOct–Feb
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBarracuda, Dolphins, Sea Turtles, Sperm Whales and Lionfish · 183+ species recorded
    Water27-30°C · warmest March, April, May
    CharacterWreck dive · max 43m
    StandoutExceptional marine biodiversity

    Okay, let's talk about the Ile Denis wreck. This isn't one of those purpose-sunk playgrounds, it's a proper historical piece, and we love that. She went down back in 1980 after some engine room trouble, a fishing vessel built in '61, and now she rests at 43 metres. Descending, you can really feel the depth here, the light changing around 30 metres as you approach the hull. What you'll find is a wreck that's become a home. The superstructure is heavily broken down, but the bow and stern sections are still distinct. We've spent dives just slowly circling, tracing her original lines, imagining her working life. It's not about penetration anymore, it's about appreciation for her history and the new life she supports. Look for the schooling snappers that often shimmer around the deck, their scales catching the ambient light. We've seen some impressive groupers lurking in the shadows, too, wise old fish that clearly know a good shelter when they find one. This dive suits experienced divers comfortable with deeper profiles and drift potential, those who prefer history and atmosphere over intact structures.

    Typical ILE DENIS Dive Profile

    15m30m45mSafety Stop0m43m max~15 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

    Maximum depth 43m exceeds recreational limits (40m). Technical diving certification and equipment required.

    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.

    Today06:0318:1412h 11m daylightGolden hour 17:46

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    Conditions

    Ocean conditions, forecast and tides for ILE DENIS

    ILE DENIS Ocean Conditions

    Monthly averages for ILE DENIS, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (-4.5, 55.52) (2km away)

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    October Averages

    Sea Temperature

    28°C

    82°F · Range: 26.1–30.1°C

    Current Speed

    7.28 cm/s

    Direction: W (285.9°)

    Chlorophyll-a

    0.213 mg/m³

    Clear water

    Salinity

    35.24 PSU

    Based on 4 years of monitoring data · Data sources: Open-Meteo marine data + Copernicus Marine (EU)

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