8-28m
    Alonissos Marine Park, Greece
    THASOS (OROS YPSARIO KAI PARAKTIA ZONI) KAI NISIDES KOINYRA, XIRONISI

    Center Action Thassos

    Best months: Jul–Sep

    Protected Area

    THASOS (OROS YPSARIO KAI PARAKTIA ZONI) KAI NISIDES KOINYRA, XIRONISI

    Why dive here

    Center Action Thassos is a wall dive where divers can encounter dolphins and sea turtles. Water ranges 15-26°C, warmest July, August, September.

    Best timeJul–Sep
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeDolphins and Sea Turtles
    Water15-26°C · warmest July, August, September
    CharacterWall dive · max 8-28m
    StandoutDramatic wall topography

    Center Action Thassos is one of those sites we always try to hit when we're in Alonissos. It’s not about dramatic drop-offs, but the sheer density of life in the cracks and crevices. You’ll find yourself constantly peering into every nook, spotting Mediterranean Beadlet Anemones waving gently and the tell-tale antennae of Common Spiny Lobsters peeking out from beneath ledges. Our favourite discovery here is the Variable Loggerhead Sponge, massive and sculptural, providing homes for all sorts of smaller critters like the Atlantic mud shrimp, if you have a keen eye. Visibility is generally excellent, often hitting 25-30 metres on a good day, making it easy to spot the Streaked Gurnards kicking up sand or a solitary Scorpionfish blending in with the rocks. We often find juvenile Garrupa here, too, darting in and out of the shadows. It’s a superb spot for macro enthusiasts and anyone who enjoys a slower, more deliberate dive, spending time observing individual species rather than racing along. We’d suggest a longer bottom time here if your gas allows, to really soak it all in.

    Typical Center Action Thassos Dive Profile

    5m10mSafety Stop0m8m 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.

    Today06:2917:5011h 21m daylightGolden hour 17:13

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    Conditions

    Ocean conditions, forecast and tides for Center Action Thassos

    Center Action Thassos Ocean Conditions

    Monthly averages for Center Action Thassos, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (38.09, 24.15) (15km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    23°C

    73°F · Range: 21–25.6°C

    Current Speed

    1.41 cm/s

    Direction: SW (225°)

    Chlorophyll-a

    0.13 mg/m³

    Clear water

    Salinity

    34.63 PSU

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

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