

The SS Macleay sits in 40 to 43 metres off the New South Wales coast, making this a genuine deep dive that demands proper planning and gas management. The freighter went down in 1913, and over a century of submersion has transformed her steel skeleton into a thriving artificial reef. You'll need to factor in decompression stops and stay alert for nitrogen narcosis at depth. Visibility ranges from 5 to 18 metres depending on conditions, while moderate currents add another layer to your dive planning. The wreck attracts an impressive roster of pelagic and reef species. Giant cuttlefish patrol the structure, whilst wobbegong sharks rest in the shadows. Red and blue morwongs cruise the wreckage alongside yellowtail and bream, with schools of pomfreds appearing in the blue. Look for seapike hunting in the water column and Sergeant Bakers perched on the metal. Blue groper, those iconic NSW residents, are regular visitors. This is technical diving territory where experience counts. Your bottom time will be limited, so plan your penetration carefully if entering the wreck. The combination of depth, current and decompression obligations makes the Macleay a site that rewards preparation and respect.
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Nitrogen narcosis sets in fast at this depth, so plan your bottom time conservatively and discuss turn-around signals with your buddy before descending. Current can run stronger than expected, so check conditions locally and confirm boat cover before committing to the dive.
The site is accessed by boat, approximately 100 meters from the South East corner of Little Island. Dive operators in Nelson Bay, such as Pro Dive Nelson Bay, run regular trips to the wreck.
This is a deep dive requiring mandatory decompression stops. Currents can be strong and may pick up during the dive, making deco stops uncomfortable. The site is exposed to open ocean conditions.
Depth
21-43m
Visibility
5-18m
Skill Level
Advanced
Entry
Boat
Boat required
Water Temp
17-23°C
Current
Moderate
Typical Dive
19 min
Best Time
Year-round
The SS Macleay wreck in Nelson Bay, New South Wales, requires advanced, deep diving, and technical certifications. The wreck rests at 40 to 43 metres depth, placing it firmly in technical diving territory where decompression stops are mandatory. This site is strictly for experienced divers with appropriate training in deep and decompression diving procedures.
The SS Macleay wreck sits at a depth of 40 to 43 metres off Nelson Bay, New South Wales. This depth requires advanced or technical diving certification and mandatory decompression stops. Divers should be prepared for nitrogen narcosis risk at this depth.
The SS Macleay wreck hosts diverse marine life including giant cuttlefish, wobbegong sharks, and blue gropers. Red morwongs, blue morwongs, yellowtail, bream, and seapike are regularly spotted around the wreck structure. The artificial reef created by the wreck attracts these species year-round in the temperate waters off Nelson Bay.
The SS Macleay wreck is best dived from January through August, covering the Australian summer and autumn months. Water temperatures during this period range from 17 to 23 degrees Celsius. Visibility varies between 5 and 18 metres depending on conditions.
The SS Macleay wreck requires boat access and cannot be reached from shore. Charter boats operate from Nelson Bay to reach the wreck site. There are no facilities at the dive site itself.
The SS Macleay wreck presents several significant hazards including extreme depth at 40 to 43 metres and mandatory decompression requirements. Moderate to strong currents are common at the site, and nitrogen narcosis risk is substantial at this depth. Only advanced and technical divers should attempt this dive.
Visibility at the SS Macleay wreck ranges from 5 to 18 metres depending on weather and sea conditions. The moderate currents can affect visibility, with clearer conditions typically found during calmer periods. Water temperature remains between 17 and 23 degrees Celsius throughout the diving season.
A 5mm wetsuit is recommended for diving at SS Macleay Wreck in Nelson Bay. Water temperatures range from 17°C to 23°C.
SS Macleay Wreck in Nelson Bay has depths ranging from 21 metres to 43 metres.
A typical dive at SS Macleay Wreck in Nelson Bay lasts approximately 19 minutes. Actual dive time depends on depth, air consumption, and conditions.