Istria Peninsula, Croatia
    Špilja podno Kostrija (Vrbnička špilja)

    Secret beach

    Best months: Jul–Aug

    Protected Area

    Špilja podno Kostrija (Vrbnička špilja)

    Why dive here

    With 46+ marine species recorded in the area - including dolphins, sea turtles and cuttlefish - Secret beach offers some of Istria Peninsula's richest diving. Water ranges 12-26°C, warmest July, August, September.

    Best timeJul–Aug
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeDolphins, Sea Turtles and Cuttlefish · 46+ species recorded
    Water12-26°C · warmest July, August, September

    Secret Beach, on Istria’s coast, is a decent shore dive for a relaxed afternoon. The entry is easy, leading to a gentle slope with rocky outcroppings and small patches of seagrass. You’ll likely spot blennies, small wrasse, and the occasional octopus tucked into crevices. It’s a good spot for a chill dive, especially if you want to avoid the busier boat traffic.

    Today06:1217:2511h 13m daylightGolden hour 16:46

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    Conditions

    Ocean conditions, forecast and tides for Secret beach

    Secret beach Ocean Conditions

    Monthly averages for Secret beach, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (45.08, 14.15) (21km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    20°C

    68°F · Range: 18.4–22.3°C

    Current Speed

    3.16 cm/s

    Direction: W (288.4°)

    Salinity

    37.74 PSU

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

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