10-30m
    Rarotonga, Cook Islands

    R.M.S. Maitai

    Best months: Jan–May

    Why dive here

    With 134+ marine species recorded in the area - including humpback whales and pufferfish - R.M.S. Maitai offers some of Rarotonga's richest reef diving. Water ranges 24-28°C, warmest February, March, April.

    Best timeJan–May
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeHumpback Whales and Pufferfish · 134+ species recorded
    Water24-28°C · warmest February, March, April
    CharacterReef dive · max 10-30m

    Diving the R.M.S. Maitai is a proper history lesson, but one you can swim through. This isn’t a pristine, intact ship; she ran aground on Christmas Day 1916, and over a century of Rarotongan surf has really taken its toll. What’s left is scattered across the reef, a kind of archaeological puzzle in 10 to 17 metres. We love how the reef has just swallowed the remains – it’s a living wreck. The engine block is the star, poking out of the water like a permanent monument, but below, you’ll find bits of superstructure, the rudder, and a surprisingly intact driveshaft. Look closely at the boilers; they’re caked in coral, and we’ve spotted tiny Arc-eye Hawkfish perched like sentinels. The Midget Chromis hover in clouds over the coral-encrusted metal, and those Red Squirrelfish always seem to be darting into the shadows. Visibility averages around 21 metres, which gives you a good sense of the sheer size of the wreck's footprint. It’s an easy dive, good for anyone comfortable navigating a bit of surge, and our pick for a second dive of the day when you want something a bit different.

    Typical R.M.S. Maitai 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.

    Today05:1317:4112h 28m daylightGolden hour 17:11

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    Conditions

    Ocean conditions, forecast and tides for R.M.S. Maitai

    R.M.S. Maitai Ocean Conditions

    Monthly averages for R.M.S. Maitai, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (-21.2, -159.82) (1km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    24°C

    76°F · Range: 23.3–26°C

    Air Temperature

    22°C

    72°F

    Wind Speed

    9.54 m/s

    18.5 knots

    Atmospheric Pressure

    1016.5 hPa

    Based on 4 years of monitoring data · Data sources: Open-Meteo marine data

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