0-30+ metres. Lots of volcanic rock form these reefs with chunks of black volcanic glass occasionally seen on the bottom. The fishing boat San Benito wrecked here but little is left that can be seen.
Source: DIVE New Zealand magazine.

Aquatic Life:

Fire brick sea stars, tiger shells, triplefins, nudibranchs and sponges are all in profusion. In early summer you may find the fragile shells of the paper nautilus. Plenty of fish schools that attract kingfish, especially in summer.

Directions:

Southeast side of Mayor Island.