

M&K Reef is a boat-access wall and reef dive in New South Wales that drops into deeper water between 22 and 30 metres, demanding solid buoyancy control and a respect for nitrogen narcosis at depth. Visibility swings considerably, from 3 to 20 metres depending on conditions, and moderate current keeps you honest throughout the dive. The sponge gardens are the real draw here, providing dense cover that shelters Port Jackson sharks, wobbegongs, and nurse sharks resting on the bottom. Eastern blue devil fish and eastern blue groper work the reef structure, while Australian giant cuttlefish, nudibranchs, yellowtail scad, and sea pike round out what is a genuinely varied temperate assemblage. Surge adds another variable to manage near the wall.
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May and September are the most reliable months for cleaner water and better shark activity, so plan your trip around those windows. Given the decompression risk at depth and the potential for low visibility, bring a surface marker buoy and dive with a buddy who knows the site.
Access info coming soon
Enter the water calmly, as surge can be strong. Stay close to the reef wall to avoid drifting in currents. Ascend slowly and watch your depth gauge carefully.
Depth
22-30m
Visibility
3-20m
Skill Level
Advanced
Entry
Boat
Boat required
Current
Moderate
Typical Dive
45 min
Best Time
May, Sep
Yes, M&K Reef in New South Wales is a boat-access-only dive site. You will need to book with a local dive operator or charter a boat to reach it.
M&K Reef in New South Wales requires advanced diving skills. Expect deeper depths, currents, or challenging conditions that are not suitable for newly certified divers.
Diving at M&K Reef in New South Wales requires the following certifications: Advanced. Always dive within your training limits.
M&K Reef in New South Wales is home to Port Jackson Shark, Eastern Blue Devil Fish, Sponge Gardens, Nurse Shark, Wobbegong Shark, and Yellowtail Scad. Marine life sightings vary by season and conditions.
The best months to visit M&K Reef in New South Wales are May and September. Conditions outside these months can still be good but are less predictable.
M&K Reef in New South Wales has depths ranging from 22 metres to 30 metres.
A typical dive at M&K Reef in New South Wales lasts approximately 45 minutes. Actual dive time depends on depth, air consumption, and conditions.
Expect moderate currents at M&K Reef in New South Wales. Good buoyancy control and some drift diving experience is helpful.
Visibility at M&K Reef in New South Wales typically ranges from 3 metres to 20 metres. Conditions vary with weather, tides, and seasons.