Komodo, Indonesia
    Komodo

    Siaba Besar dive site

    Good diving all year

    Protected Area

    Komodo

    Why dive here

    With 203+ marine species recorded in the area - including manta rays, mobula rays (devil rays), pygmy seahorses, sea turtles and sperm whales - Siaba Besar dive site offers some of Komodo's richest diving. Water ranges 28-30°C, warmest April, May, November.

    Best timeYear-round
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeManta Rays, Mobula Rays (Devil Rays), Pygmy Seahorses, Sea Turtles and Sperm Whales · 203+ species recorded
    Water28-30°C · warmest April, May, November
    StandoutExceptional marine biodiversity

    Siaba Besar is one of those sites that just feels good. It’s a gentle introduction to Komodo’s magic, particularly if you’re still getting your bearings with the currents. We love starting here; it’s a drift that usually puts you right where you want to be. The reef slopes down, shallowing out into a huge, sandy turtle playground. You float along, and the sheer number of green turtles just hanging out, grazing, or sleeping is phenomenal. Seriously, we’ve counted upwards of twenty on a single dive, some so chilled they barely register you’re there. Beyond the turtles, the coral garden is surprisingly healthy given the mellow conditions. Big tables of Staghorn and Montipora coral stretch out, with flashes of electric blue from Boring Clams tucked in. Keep an eye out for the smaller stuff too; Seastar Shrimp are often hiding amongst the arms of their hosts. It’s not the roaring current, pelagic action of some Komodo sites, but it’s a beautiful, relaxing drift. Perfect for photographers, or anyone who just wants to soak in the serenity and get up close with some very relaxed reptiles.

    Today05:4117:5612h 15m daylightGolden hour 17:29

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    Conditions

    Ocean conditions, forecast and tides for Siaba Besar dive site

    Siaba Besar dive site Ocean Conditions

    Monthly averages for Siaba Besar dive site, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (-8.39, 119.8) (79km away)

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    October Averages

    Sea Temperature

    30°C

    85°F · Range: 28.1–30.9°C

    Current Speed

    4.24 cm/s

    Direction: NW (315°)

    Chlorophyll-a

    0.175 mg/m³

    Clear water

    Salinity

    34.03 PSU

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

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