15-30m
    Similan Islands, Thailand
    Muko Surin

    Prebens Platon

    Best months: Jan–May

    Protected Area

    Muko Surin

    Why dive here

    With 173+ marine species recorded in the area - including blacktip reef sharks, eagle rays, giant moray eels, whale sharks and clownfish - Prebens Platon offers some of Similan Islands's richest reef diving. Water ranges 29-31°C, warmest April, May, June.

    Best timeJan–May
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBlacktip Reef Sharks, Eagle Rays, Giant Moray Eels, Whale Sharks and Clownfish · 173+ species recorded
    Water29-31°C · warmest April, May, June
    CharacterReef dive · max 15-30m
    StandoutExceptional marine biodiversity

    Prebens Platon might not be as famous as some of the Similans' big names, but we think it’s a seriously underrated spot. It’s a series of large, granite boulders with some surprisingly robust coral growth in between. We’ve found the Blackedge thicklip wrasse here, a beautiful splash of colour against the granite, along with the Dapple Coris flitting around. What we really love is the sheer scale of the Staghorn coral patches. They aren’t just small clumps. These are sprawling structures, creating intricate hiding places for all sorts of smaller reef fish. Keep an eye out for the High Hat Triplefin. It's a tiny fish, but its distinctive dorsal fin really stands out if you take the time to look closely at the coral. We've spent entire dives just exploring the nooks and crannies here, finding Imposter Fangblennies peering out from their holes. It’s not a drift dive, which can be a nice change of pace in the Similans, allowing you to really slow down. This site is perfect for those who enjoy methodical exploration rather than just being swept along. You’ll experience a quieter side of the Similans here, often with fewer boats, which is always a bonus in our book.

    Typical Prebens Platon Dive Profile

    5m10m15mSafety Stop0m15m max~50 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

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

    Today06:1718:1511h 58m daylightGolden hour 17:47

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    Conditions

    Ocean conditions, forecast and tides for Prebens Platon

    Prebens Platon Ocean Conditions

    Monthly averages for Prebens Platon, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (8.1, 98.3) (6km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    30°C

    85°F · Range: 28.7–30.4°C

    Current Speed

    5.1 cm/s

    Direction: S (191.3°)

    Salinity

    29.75 PSU

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

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