15-30m
    Goat Island & Hauraki Gulf, New Zealand
    Rabbit Island

    STANLEY ISLAND

    Best months: Jan–Apr

    Protected Area

    Rabbit Island

    Why dive here

    With 72+ marine species recorded in the area - including blue sharks, dolphins, hammerhead sharks, humpback whales and seahorses - STANLEY ISLAND offers some of Goat Island & Hauraki Gulf's richest wreck diving. Water ranges 15-21°C, warmest January, February, March.

    Best timeJan–Apr
    WetsuitA 5mm wetsuit
    Marine lifeBlue Sharks, Dolphins, Hammerhead Sharks, Humpback Whales and Seahorses · 72+ species recorded
    Water15-21°C · warmest January, February, March
    CharacterWreck dive · max 15-30m
    StandoutRich in charismatic marine life

    Stanley Island, for us, is a perfect example of why we love diving in the Hauraki Gulf. It’s not about huge pelagics or endless visibility, though we’ve had some cracking days here. It’s about the texture of the place. We’ve drifted along the ‘Great Wall’ on the western side, watching the light play on the sponges and anemones that coat the rock face. The max depth here is 16m, so there’s plenty of bottom time to really explore. On the eastern side, we often poke around the two small caves. They aren’t huge, more like swim-throughs, but they’re big enough to give you that cool, enclosed feeling, and we’ve found green rock lobsters tucked away in there more than once. The schools of Pacific sardines can be mesmerising, shifting like quicksilver, and we’ve had barracouta shoot through them on occasion. Visibility averages around 12m, but can vary. We always suggest hitting it on a calm day, especially if you want to properly explore the cave entrances. Stanley Island suits divers who appreciate detailed reef exploration and don't necessarily need dramatic drop-offs. It's a forgiving site, good for knocking off some rust or for a relaxed day out, offering engaging visuals without demanding deep dives. You’ll see plenty of New Zealand’s common reef fish, like pigfish and wrasse, along with the occasional pelagic passing through.

    Typical STANLEY ISLAND 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

    Wreck site - avoid penetration without wreck diving certification. Watch for sharp metal and entanglement hazards.

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

    Today05:4018:2912h 49m daylightGolden hour 17:54

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    Conditions

    Ocean conditions, forecast and tides for STANLEY ISLAND

    STANLEY ISLAND Ocean Conditions

    Monthly averages for STANLEY ISLAND, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (-36.93, 175.86) (22km away)

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    October Averages

    Sea Temperature

    16°C

    60°F · Range: 14.5–16.9°C

    Current Speed

    1.41 cm/s

    Direction: SE (135°)

    Chlorophyll-a

    0.497 mg/m³

    Moderate productivity

    Salinity

    34.91 PSU

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

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