20-40m
    Costa Brava, Spain

    Font Estramar

    Best months: Jul–Aug

    Why dive here

    With 44+ marine species recorded in the area - including dolphins, ocean sunfish (mola mola) and sea turtles - Font Estramar offers some of Costa Brava's richest cave diving. Water ranges 13-25°C, warmest July, August, September.

    Best timeJul–Aug
    WetsuitA 3mm full wetsuit
    Marine lifeDolphins, Ocean Sunfish (Mola Mola) and Sea Turtles · 44+ species recorded
    Water13-25°C · warmest July, August, September
    CharacterCave dive · max 20-40m
    StandoutDramatic cave topography

    Font Estramar, tucked away in Costa Brava, isn't your average Mediterranean dive. This is a cavern, pure and simple, and it's absolutely one of our favourite freshwater spots in Europe. We love the feeling of slipping into the cool, still water, the surface shimmering with reflections before you descend into that inky blackness. It’s a true exploration, a dive that asks for respect and good buoyancy. What makes it special? The sheer scale of the system, for one. And the way the light plays at the entrance, slicing through the water, is always a beautiful sight. Deeper inside, it’s all about the geology, the way the rock has been carved and smoothed by centuries of water flow. You might spot a few freshwater crabs scuttling on the silty bottom, or the occasional small fish darting past, but the real show here is the environment itself. This is a dive for experienced cavern or cave divers, those who appreciate the quiet intensity of overhead environments. Go with a local guide who knows the system inside out, and make sure your gear is dialled in. It’s an immersive, almost meditative experience, a real contrast to the vibrant reefs just a short drive away.

    Typical Font Estramar Dive Profile

    10m20mSafety Stop0m20m max~30 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

    Depth of 20m - Advanced Open Water certification recommended.

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

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

    Today05:5717:1411h 17m daylightGolden hour 16:36

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    Conditions

    Ocean conditions, forecast and tides for Font Estramar

    Font Estramar Ocean Conditions

    Monthly averages for Font Estramar, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (42.12, 3.15) (24km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    20°C

    68°F · Range: 18.2–22.8°C

    Current Speed

    1 cm/s

    Direction: E (90°)

    Salinity

    37.91 PSU

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

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