Arorangi Drop Off
Why dive here
With 134+ marine species recorded in the area - including humpback whales and pufferfish - Arorangi Drop Off offers some of Rarotonga's richest reef diving. Water ranges 24-28°C, warmest February, March, April.
The Arorangi Drop Off is one of our favourite spots on Rarotonga's west coast, particularly for those willing to embrace a little current. We love how the reef here transitions from a gently sloping coral garden into a proper wall, carved with overhangs and small caves. It’s a site that feels alive, often with schools of Blackfin Chromis dancing above the coral bommies. We’ve found the currents at Arorangi can be quite playful, which often brings in the bigger pelagics. Keep an eye out for eagle rays gliding past, their silhouettes crisp against the blue. You’ll also frequently spot Trevallys patrolling the edge and, if you’re lucky, a lionfish tucked into a crevice, their fins fanning out dramatically. For macro enthusiasts, the colourful Dot and Dash Butterflyfish are plentiful, and we’ve even found the elusive Flasher Scorpionfish here, perfectly camouflaged. We’d suggest diving Arorangi in the morning; the light hitting the wall at that time is truly something else, illuminating the olive anthias and making the corals pop. It’s a dive that rewards attentive divers, offering both wide-angle drama and intricate details.
Typical Arorangi Drop Off Dive Profile
Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.
Safety Notes
Always perform a 3-minute safety stop at 5m before surfacing.
Nearest Dive Centres to Arorangi Drop Off
Dive shops near Arorangi Drop Off
Cook Island Divers
Adventure Cook Islands
Chantal's Concierge on the Beach
Pacific Divers
Reviews for Arorangi Drop Off
Conditions
Ocean conditions, forecast and tides for Arorangi Drop Off
Arorangi Drop Off Ocean Conditions
Monthly averages for Arorangi Drop Off, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (-21.2, -159.82) (1km away)
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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