Moorea & Tahiti, French Polynesia
    Grottes de Maraa

    Tombant St Etienne

    Best months: Apr–Aug

    Protected Area

    Grottes de Maraa

    Why dive here

    With 135+ marine species recorded in the area - including humpback whales, sperm whales, spinner dolphins and pufferfish - Tombant St Etienne offers some of Moorea & Tahiti's richest wall diving. Water ranges 27-29°C, warmest February, March, April.

    Best timeApr–Aug
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeHumpback Whales, Sperm Whales, Spinner Dolphins and Pufferfish · 135+ species recorded
    Water27-29°C · warmest February, March, April
    CharacterWall dive
    StandoutRich in charismatic marine life

    Tombant St Etienne always feels like a bit of a secret, even though it’s reasonably accessible from Moorea. We love how the reef here just spills down into the blue, creating this dramatic wall effect that’s just begging you to explore. You’ll spend most of your dive surrounded by the sheer volume of smaller reef fish – the blue-green chromis often form such dense schools, it's like swimming through a moving cloud. Keep an eye out for the clown tangs, with their bold stripes, and the more subtle, delicate blennies peeking from crevices. What truly makes St Etienne special is that consistent buzz of life, even without the big pelagics. We’ve often seen the beautiful white-tailed tropicbirds circling overhead before a dive, a nice promise of good things to come. The corals themselves are in good health, providing plenty of nooks for spotting things like pink squirrelfish or a well-camouflaged celebes longfin eel. This site is fantastic for photographers who enjoy macro and wide-angle reef shots, particularly in the mornings when the light hits the wall just right.

    Today05:3417:5812h 24m daylightGolden hour 17:29

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    Conditions

    Ocean conditions, forecast and tides for Tombant St Etienne

    Tombant St Etienne Ocean Conditions

    Monthly averages for Tombant St Etienne, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (-17.58, -149.62) (1km away)

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    October Averages

    Sea Temperature

    27°C

    81°F · Range: 26.2–28.2°C

    Current Speed

    15 cm/s

    Direction: SW (233.1°)

    Chlorophyll-a

    0.048 mg/m³

    Very clear (oligotrophic)

    Salinity

    36.14 PSU

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

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