HMAS Perth Wreck

HMAS Perth Wreck: Albany Dive Guide

By ScubaDownUnder Team · 2026-08-08

# HMAS Perth Wreck Dive Site Guide

The HMAS Perth emerges out of the dark green water like the prow of a ship arriving in port: a sharp grey angle that resolves into mast, then funnel, then deck guns, then the full length of a 134-metre destroyer sitting upright on the sand floor of King George Sound. Scuttled in 2001 as a purpose-sunk dive wreck, the former Royal Australian Navy guided-missile destroyer is the marquee wreck dive in Western Australia and one of the largest purpose-sunk wrecks accessible to recreational divers in the country. The water is cold, the depth is real, and the structure is intact enough that experienced wreck divers can spend a full week of repetitive dives without seeing the same section twice. This is a serious dive at a serious site.

HMAS Perth (D 38) was a Charles F. Adams class guided-missile destroyer launched in 1963 and commissioned into the Royal Australian Navy in 1965. Decommissioned in 1999 after 34 years of service that included three deployments to the Vietnam War, the vessel was donated to the WA Government for sinking as a dive wreck and scuttled in King George Sound on 24 November 2001. The Sound is the traditional country of the Menang Noongar people and one of the deepest natural harbours in the southern hemisphere, with a sheltered approach that protects the wreck from open-ocean swell across most of the year. Sister vessels [HMAS Brisbane](https://www.scubadownunder.com/dive-sites/hmas-brisbane) and HMAS Hobart sit on the seabed off the Sunshine Coast and South Australia respectively, completing the Charles F. Adams class national set.

The wreck sits upright on a sandy bottom in 35 metres of water with the main deck at around 24 metres and the topmost masthead reaching to within 7 metres of the surface. Mooring buoys mark the bow and stern, and most dives descend the bow line to the foredeck, working back along the port or starboard side towards the stern across two or three planned dives. Recognisable structure includes the forward 5-inch deck gun, the bridge superstructure with its windows still glassed, the funnel cluster amidships, the Tartar missile launcher aft, and the helicopter hangar at the stern. Penetration routes have been cut through bulkheads on the prepared decks, but the engine room and lower compartments are restricted to divers with formal wreck penetration training and the right kit. A standard recreational dive runs 20 to 25 minutes of bottom time on the external structure with no decompression obligation, returning to the safety stop at the bow buoy line.

Marine life on the wreck has built up steadily over the 25 years since sinking. Dense clouds of bullseyes and sweep occupy the bridge interior and the gun shields, parting only when a diver moves through them. Western blue groper resident across the wreck approach divers without hesitation, and harlequin fish appear in pairs along the upper deck near the funnel. Port jackson sharks rest under the stern overhang during the cooler months, and the rare southern leafy seadragon has been recorded on the sand near the bow during summer. Encrusting sponge cover on the hull plating is now substantial, with orange and yellow finger sponges, ascidians, and zoanthid colonies establishing a textured habitat that draws nudibranchs and small wrasse species. Schools of pomfrets and skipjack trevally pass through the wreck at depth, particularly around the stern, and the occasional eagle ray cruises along the sand below the keel.

Visibility runs 10 to 25 metres across the year with the cleanest water in summer (December to April) when wind patterns favour the Sound and stratification settles the suspended particulate. Water temperature ranges from 14°C in late winter to 21°C in late summer, putting the Perth firmly in 7mm semi-dry or drysuit territory for divers comfortable with longer bottom times. The Sound's sheltered geometry keeps current minimal at the wreck itself, but strong easterly winds can drive enough surface chop to make the surface entry and exit demanding. Charter operators schedule dives around the morning weather window when conditions are most predictable, and trips are weather-cancelled rather than weather-modified when the forecast deteriorates. Best season for combined dive quality, water temperature, and operating reliability is January through April.

The Perth rewards repeat visits more than most dive sites. The first dive is the orientation: bow line down, around the bridge, across the deck, up the buoy. The second dive turns into a wreck dive proper, with time at the missile launcher, the helicopter hangar and the original radar masts. By the third or fourth dive, photographers start working specific sections: the bridge windows from the inside, the deck guns from below, the sponge gardens along the keel. For divers with wreck penetration certification and twin-set or sidemount kit, the mid-ship corridor and the bridge interior chambers open up entirely, with the original ship's badges still marked at the locations where they were removed prior to sinking. Night diving is run occasionally by charter operators and turns the wreck's ambient bioluminescence and the bullseye schools into a substantially different experience.

The Perth is one of those dive sites that earns its national reputation slowly. The depth puts it out of reach for newer divers. The cold water filters the crowds. The wreck itself is too large to consume in a single trip, and the marine community continues to build year on year. For experienced divers planning a southern WA itinerary, the Perth is the structural counterpoint to Albany's natural granite reefs and the reason most Australian wreck divers make the trip to King George Sound at least once.

## Site Access and Logistics

The wreck sits approximately 1.5 kilometres off Mistaken Island in King George Sound, accessed by boat charter from Albany's Princess Royal Harbour. The transit is short (under 20 minutes from the public boat ramp) and the bow mooring buoy is in clear sight on the surface. Albany is reached by sealed road from Perth (400 kilometres, four hours driving) or by domestic flight to Albany Airport. Local PADI charter operators run weekend trips year-round and weekday trips by arrangement during the December-April season. Advanced Open Water certification is the minimum requirement; Deep Diver or equivalent experience to 30 metres is strongly recommended given that bottom time on the wreck is dictated by remaining no-decompression limits at 24-30 metres. Penetration of the bridge interior and mid-ship compartments requires Wreck Diver certification at minimum and is conducted under guide supervision. Charter operators provide nitrox fills, twin-set rigging where booked in advance, and surface support for staged decompression dives.

## Sources

- [WA Wreck Diving — Albany dive operators directory](https://www.wreckaustralia.com) - [Royal Australian Navy — HMAS Perth (II) ship history](https://www.navy.gov.au/hmas-perth-ii) - [Department of Biodiversity, Conservation and Attractions WA — Albany wreck sites](https://www.dbca.wa.gov.au) - [Australian National Maritime Museum — Charles F. Adams class records](https://www.sea.museum) - [Michael McFadyen's Scuba Diving — HMAS Perth wreck notes](http://www.michaelmcfadyenscuba.info)