sandy bottom with short shallow broken reef, great for lunch or beginners. the sandy bottom offers an excellent opportunity to see rays mooching about.

South east corner of great mercury island is a nice and long stretch of divable reef. Shallowest part is in the middle, but in general some excellent diving when you can get in. Extremely exposed to most wind and swell directions

Can be a popular fishing and diving spot on GMI, a lot of boats pass by as well so be wary. always have your dive flag up. Being a popular spot can be under a bit of pressure over summer.

Green island also known as the grave yard because of the amount of rocks that breach the surface of the water making it look as if they are tomb stones. also known to have claimed a couple of boats.

Eastern side of the great mercury islands, a nice spot for some easy diving. the middle of the bay is the deeper part with huge kelpy reef systems. alot of area to explore.

The western side of the Great mercury island, also a safe haven for boats to park and stay overnight. The scallop beds have been shut down until at least 2023 due to it being in very poor condition.

A good 40 mins to an hour from Whitianga, Korapuki offers some great diving around the whole island, Offering up great weed lines and rocky outcrops tends to be a favourite with spearos and scuba divers

The pancake rocks are on the eastern side of middle island with great cracks, gullies and an arch way you can swim through. This site is exposed but typically great vis.

Eastern side of the great mercury islands, a nice spot for some easy diving. the middle of the bay is the deeper part with huge kelpie reef systems. A lot of area to explore.

Northern side of the mercs, is exposed so southerly swell and wind, Cathedral bay itself is an awesome dive site for anyone, rocky reef surrounding the bay with a sandy bottom with broken kelpie reef all throughout in the middle. The pins and outer edges of cathedral have some wicked walls and boulder areas.