GEM STONE BAY

Type:

Scuba Diving

Entry:Unknown

Difficulty:Unknown

Tags:

Reef

About This Dive Spot

Gemstone Bay is within a marine reserve, where taking or touching marine life is prohibited. It’s described as a strong example of how protection can increase the size and abundance of local sea life. The bay is known for large snapper and crayfish, with snapper reported to be so bold that shiny items on fingers may attract their attention.

Safety & access

Hazards, restrictions, and required precautions.

Hazards

Dangerous wildlifeRestricted access

Safety notes

Snappers are reported to be very bold; avoid wearing shiny items on your fingers that could attract them. As a marine reserve site, do not touch or take marine life.

Access restrictions

Inside a marine reserve with strict no-touch and no-take rules.

Local intel

Community notes to help plan your visit.

Access, coral, life, crowds, and facilities.

Aquatic Life

Noted for abundant, large snapper and crayfish.

Dive Spot Log Averages

Average conditions based on logged dives & visits

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Dive Conditions Planner

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Spots Near GEM STONE BAY

📍 2.4 km

MAHURANGI IS/ GOAT IS

Not Set

This site features two tractors that were sunk years ago to create an artificial reef. The bottom is mostly sand with a small, broken reef structure nearby, and the area is described as having easy navigation and being sheltered from most weather. It’s recommended as a beginner-friendly dive, including for entry-level training dives.

📍 3.2 km

Rarotonga Bay

Not Set

Rarotonga Bay offers clear water that can feel tropical on good days. The site features a sandy area and a nearby reef in shallow depths. It is described as suitable for open water training, with a sand patch around 8 m and reef structure in the 5–10 m range. Crayfish are commonly seen here.

📍 4.1 km

BIG BAY

Not Set

A large bay with multiple dive spots around its perimeter, with sand patches along the western side. The bottom gets deeper toward the middle of the bay. One highlighted area is a kelp forest that can hold plenty of fish life and is sometimes used for spearfishing, with a couple of resident sharks reported.

📍 7.8 km

THE TWINS, Waikato

Not Set

The Twins is a dive site near Whitianga, located between Whiti and Devils Point. The dive features north and south sections that are the deepest areas, with a swim-through in the middle at around 10 m. It suits divers with some experience and is best done after a run of decent weather. Water movement can be good, and fish life is present year-round.

📍 9.7 km

Devils Point

Not Set

A deep dive site with an outer pin that drops beyond 30 m and can carry current. Closer to the middle pin, the bottom rises to about 5–8 m, creating a shallower area suitable for safety stops. The area is predominantly boulders and rocky terrain, with deep cracks, holes, and a couple of caves, plus small kelp outcrops. Fish life is described as abundant, with sightings of kingfish and dolphins common.

📍 10.2 km

Matapaua Bay

🏖️

A sandy bay with a central sand patch and shallow reefs on both sides, transitioning into a rocky reef covered in typical New Zealand kelp. Conditions can become silty, with visibility commonly reduced after rainfall. Often used as an easy dive suitable for beginners and entry-level training, with calmer exploration along the shallow reef edges when conditions allow.

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Frequently Asked Questions

What's the best entry point at GEM STONE BAY?

Entry at GEM STONE BAY is detailed in the spot description above. Look for specific landmarks, access paths, and any tide or condition requirements. Local divers often share updated entry tips in their dive logs.

What conditions are best for diving GEM STONE BAY?

Optimal conditions at GEM STONE BAY depend on several factors including tide, wind, and season. Check recent dive logs for current condition reports and patterns. Generally, calmer seas and high tide provide better visibility and easier entry.

What is the maximum depth and typical visibility at GEM STONE BAY?

Depth and visibility information for GEM STONE BAY can be found in the spot details and recent dive logs. Conditions can vary significantly based on weather, tide, and season. Always plan your dive according to current conditions and your certification level.

Are there any safety considerations or local etiquette at GEM STONE BAY?

When diving GEM STONE BAY, respect local regulations, marine life, and other water users. Be aware of any specific hazards like currents or boat traffic mentioned in the spot description. Follow Leave No Trace principles and local diving etiquette.