10-30 metres.
Source: DIVE New Zealand magazine.

Aquatic Life:

Reef fish include porcupinefish and scarlet wrasse. Sponges, anemones, ascidians and hydroids below 15 metres on the walls. Keen-eyed photographers will spot up to a dozen nudibranch species here. A few large rock lobster in the cracks including the occasional packhorse lobster. Kingfish common in summer among the baitfish.

Warnings:

Exposed to swells and strong wind with reasonably strong current.

Directions:

North of Ruamahuanui Island.