10-25m
    Similan Islands, Thailand

    Anita's Reef

    Best months: Jan–Dec

    Why dive here

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

    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 10-25m
    StandoutExceptional marine biodiversity

    Anita's Reef, tucked away on the eastern side of Similan Island No. 5, is a site we often suggest for a relaxed dive. The gentle sandy slope makes for easy navigation, and it's punctuated by some seriously impressive coral bommies. You'll find a nice mix of table and staghorn corals, and we’ve often spotted lionfish lurking, plus those striking Oriental sweetlips. Keep an eye out for the clown triggerfish; they’re a bit shyer but truly gorgeous when they make an appearance. The soft tree corals and sea fans on the bommies are great for finding longnose hawkfish. This spot is generally pretty mellow, good for an easy-going morning dive when you just want to cruise and watch the reef wake up.

    Typical Anita's Reef Dive Profile

    5m10mSafety Stop0m10m 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.

    Today06:2318:4312h 20m daylightGolden hour 18:15

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    Conditions

    Ocean conditions, forecast and tides for Anita's Reef

    Anita's Reef Ocean Conditions

    Monthly averages for Anita's Reef, sourced from Copernicus Marine satellite data

    August Averages

    Sea Temperature

    29.29°C

    85°F

    Current Speed

    6.32 cm/s

    Direction: S (161.6°)

    Salinity

    31.57 PSU

    Data sources: Copernicus Marine Service (EU)

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