Medes Islands, Spain

    Grotte à corail

    Best months: Jun–Sep

    Why dive here

    With 77+ marine species recorded in the area - including blue sharks, dolphins, ocean sunfish (mola mola), octopuses and sea turtles - Grotte à corail offers some of Medes Islands's richest cave diving. Water ranges 14-24°C, warmest July, August, September.

    Best timeJun–Sep
    WetsuitA 3mm full wetsuit
    Marine lifeBlue Sharks, Dolphins, Ocean Sunfish (Mola Mola), Octopuses and Sea Turtles · 77+ species recorded
    Water14-24°C · warmest July, August, September
    CharacterCave dive
    StandoutRich in charismatic marine life

    If you’re diving the Medes Islands, you need to hit Grotte à corail. Forget the generic cave dives you might have done elsewhere; this one’s special. We drop down and almost immediately you feel the temperature dip, a cool embrace that tells you you’re entering something different. What we love here is the sheer density of colour, particularly the reds. You’ll spot the vibrant Red coral clinging to the walls, punctuated by the electric green of Green Wrasse darting amongst it. Keep your eyes peeled for the little guys, too – we’ve found Seahorses tucked away in the tapeweed more than once. The light filtering in creates these incredible shafts, making the Horn Shells look like polished jewels. We find it’s a brilliant dive for photographers, especially when the sun's high. We’d suggest going early to beat any crowds, as it can get busy in peak season. It’s a truly immersive experience, a real visual feast.

    Safety Notes

    Overhead environment - never enter without proper cave/cavern training, redundant equipment, and a guideline.

    Today05:4817:0411h 17m daylightGolden hour 16:26

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    Conditions

    Ocean conditions, forecast and tides for Grotte à corail

    Grotte à corail Ocean Conditions

    Monthly averages for Grotte à corail, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (43.2, 5.22) (37km away)

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    October Averages

    Sea Temperature

    20°C

    69°F · Range: 17.4–22.8°C

    Current Speed

    9.85 cm/s

    Direction: SW (246°)

    Chlorophyll-a

    0.182 mg/m³

    Clear water

    Salinity

    38.21 PSU

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

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