5-25m
    Sulawesi, Indonesia
    KK Kota Manado

    Siladen 1

    Best months: Jan–May

    Protected Area

    KK Kota Manado

    Why dive here

    With 238+ marine species recorded in the area - including blacktip reef sharks, giant moray eels, pygmy seahorses, seahorses and sperm whales - Siladen 1 offers some of Sulawesi's richest reef diving. Water ranges 29-31°C, warmest June, October, November.

    Best timeJan–May
    WetsuitNo wetsuit needed, or a rash guard
    Marine lifeBlacktip Reef Sharks, Giant Moray Eels, Pygmy Seahorses, Seahorses and Sperm Whales · 238+ species recorded
    Water29-31°C · warmest June, October, November
    CharacterReef dive · max 5-25m
    StandoutExceptional marine biodiversity

    Siladen 1 is one of those sites we always try to hit when we're in Bunaken. It’s a slope, really, dropping down pretty gradually, which makes it feel less like you’re plummeting into the blue and more like you’re gliding over a massive, living canvas. You’ll spot an impressive amount of staghorn coral here, forming these intricate, branching structures that shelter all sorts of small critters. We love drifting along, keeping an eye out for pygmy seahorses, which are surprisingly common if you know where to look. They’re tiny, of course, blending right into the gorgonians, so a good guide really helps here. We've spent entire dives just slowly exploring the corals, finding wasp pygmy gobies tucked away, and watching bristled-toothed surgeonfish graze. The sheer number of recorded species, over 200, gives you an idea of the density of life. It’s a great site for photographers, especially macro, given the incredible variety of small finds. While the currents can pick up a bit, it’s generally a pretty mellow dive, suitable for anyone comfortable with a gentle drift. Come in the morning for the best light, casting these beautiful rays through the water column onto the reef.

    Typical Siladen 1 Dive Profile

    5mSafety Stop0m5m 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.

    Today05:2617:3112h 5m daylightGolden hour 17:03

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    Conditions

    Ocean conditions, forecast and tides for Siladen 1

    Siladen 1 Ocean Conditions

    Monthly averages for Siladen 1, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (1.5, 124.75) (0km away)

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    October Averages

    Sea Temperature

    30°C

    87°F · Range: 29.6–31.2°C

    Current Speed

    1 cm/s

    Direction: W (270°)

    Chlorophyll-a

    0.099 mg/m³

    Very clear (oligotrophic)

    Salinity

    33.17 PSU

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

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