Hawaii, United States
    Kaloko-Honokohau National Historical Park

    Garden Eel Cove

    Best months: Jul–Sep

    Protected Area

    Kaloko-Honokohau National Historical Park

    Why dive here

    Garden Eel Cove is a cenote dive where divers can encounter blue sharks, sea turtles and sperm whales. Water ranges 25-28°C, warmest August, September, October.

    Best timeJul–Sep
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBlue Sharks, Sea Turtles and Sperm Whales
    Water25-28°C · warmest August, September, October
    CharacterCenote dive

    Garden Eel Cove is *the* big show in Kona, and honestly, we’re not complaining. Forget the "cove" part, you’re here for the manta rays, especially at night. We always kneel on the sand in about 12 metres of water, the dive lights cutting through the darkness, drawing in clouds of plankton. Then the mantas arrive. They glide in, mouths wide, wings brushing over your head, sometimes just inches away. You feel the displacement of the water as they pass; it’s a full-body experience. It’s a simple dive, but profoundly effective. We’ve seen these gentle giants pirouette and loop for an hour straight, barely noticing the divers below. Our tip? Get there early for your briefing, secure a good spot on the sand slightly upcurrent, and try to stay still. While it’s all about the mantas, keep an eye out for eagle rays that occasionally join the feast, their dark shapes distinct against the artificial light. This dive is perfect for anyone wanting an intimate, unforgettable encounter with large marine life, no complicated navigation required.

    Safety Notes

    Overhead environment - never enter without proper cave/cavern training, redundant equipment, and a guideline.

    Today06:1818:0611h 48m daylightGolden hour 17:36

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    Conditions

    Ocean conditions, forecast and tides for Garden Eel Cove

    Garden Eel Cove Ocean Conditions

    Monthly averages for Garden Eel Cove, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (20.73, -156.95) (9km away)

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    October Averages

    Sea Temperature

    27°C

    81°F · Range: 26.7–28.4°C

    Current Speed

    11.31 cm/s

    Direction: NW (315°)

    Chlorophyll-a

    0.035 mg/m³

    Very clear (oligotrophic)

    Salinity

    35.58 PSU

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

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