Scubapro, Stephen Frink

HOME BAY - GMI

  • 33

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.

Sandy bottom on the scallop field with big patches of sea grass. The sisters is a 2 part broken reef usually popular with spearos.

4

Wildlife Species

1

SSI Training Centers

15m / 49ft

Max. Depth

beginner

Level

This data is provided from the logbook information in the MySSI app

Affiliated Training Center

Dive sites nearby

© Aqualung

BRONZIE BAY - GMI

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.

Learn more
© Mares

CORALIE BAY - GMI

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.

Learn more
© Mares

ROCKY BAY - GMI

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.

Learn more
© Scubapro, Stephen Frink

THE BOOK CASE - GMI

This site is on the north western side of the great mercury islands. This dive is one for advanced divers, the wall is full of live but can drop on down to 25-30m

Learn more
© Mares, Predrag Vuckovic

MAMONA BAY

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

Learn more
© Scubapro, Stephen Frink

THE CATHEDRAL

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.

Learn more
© Mares, Predrag Vuckovic

SAIL ROCK - GMI

Can have strong currents on the northern side of the rock, Usually very exposed to wind and swell. dives average between 7 to 20m. Easy to navigate.

Learn more
© Aqualung

PEACH GROVE - GMI

On the Southern end of great mercury island Peachgrove has a stunning beach and dive sites to match. Being able to cater to just about every level of diver.

Learn more
© Mares

Never Fail Rock - GMI

Never fail is a dive for the more advanced or expert levels, a pin that is exposed from every direction with currents to match, yet one of the most entertaining dives to do.

Learn more
© Aqualung

SOUTH EAST CORNER

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

Learn more

The dive spots and related content on MyDiveGuide are provided for informational and promotional purposes only. This information, including user-generated content, is not definitive advice or recommendations. Divers are fully responsible for planning their dives, ensuring adequate safety equipment, verifying diving permissions, and complying with local laws and regulations. SSI, MyDiveGuide, and affiliates assume no responsibility or liability for divers' actions, choices, or any incidents. Always dive within your training limits, prioritize safety, and confirm that diving is permitted at your chosen location.