Aldermens-Middle Middle

Best months: Jan–May, Nov–Dec

Protected Area

Wharekawa Harbour Wildlife Refuge

Why dive here

With 72+ marine species recorded in the area - including blue sharks, dolphins, hammerhead sharks, humpback whales and seahorses - Aldermens-Middle Middle offers some of Goat Island & Hauraki Gulf's richest reef diving. Water ranges 14-22°C, warmest January, February, March.

Marine lifeBlue Sharks, Dolphins, Hammerhead Sharks, Humpback Whales and Seahorses · 72+ species recorded

Water14-22°C · warmest January, February, March

CharacterReef dive

StandoutRich in charismatic marine life

Middle Middle, tucked into the Alderman Islands, really stands out for us. It’s not about huge pelagics here, though a yellowtail or even a shortfin mako might cruise by if you’re lucky. What we love are those deep, grassy gullies. Drop down and you’re enveloped in a muted green, sunlight filtering through the kelp canopy above. It feels ancient, like a secret garden. Keep an eye out for crayfish tucked into the crevices, their antennae waving. We often spot banded morwong or the tiny, curious triplefins darting through the “grass,” which is actually a type of macroalgae. Visibility averages 14m, sometimes better, offering clear views into the topography. This site is ideal for photographers looking for something a bit different, and anyone who appreciates a tranquil, scenic dive rather than high-octane action. It’s a place to slow down and observe.

Safety Notes

Cold water this month (avg 14°C). Drysuit or thick wetsuit (7mm+) recommended.

Today06:5017:4910h 59m daylightGolden hour 17:13

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Conditions

Ocean conditions, forecast and tides for Aldermens-Middle Middle