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In this scuba tools section is everything you need to keep your scuba gear in best shape all of the time. Find regulator adjustment tools, IP gauges, diver tool kits, repair kits, parts and much more.

Note: Most authorised dealers like The Scuba Doctor are able to perform warranty, repair and service work on your equipment. Availability of sub-assemblies and components, repair parts, specialised tools and maintenance manuals does not imply qualification to assemble and/or service scuba equipment. Service by other than an authorised dealer voids the warranty on all products we sell. Improper service of dive equipment can lead to serious injury or death.

The Scuba Doctor recommends that divers participating in more advanced technical and exploration type diving be trained in equipment service. We recommend that non-qualified individuals seek professional training/mentoring before attempting repairs or servicing on any diving equipment.



Blowhole, Lady Julia Percy Island

Wall Dive Wall Dive | Boat access Boat access

Abalone Dive Site Advanced Open Water Rated Crayfish Dive Site Reef Dive Site

Blowhole, Lady Julia Percy Island
Blowhole, Lady Julia Percy Island

Depth: 5 m (16 ft) to 25 m (82 ft)

Level: Advanced Open Water and beyond.

The Blowhole located at Thunder Point at the south-east end of Lady Julia Percy Island blasts a stream of water at the surface when the site is not diveable. When conditions are ideal, i.e. really flat and calm with no swell, underwater there is an 18 m (59 ft) opening to a magnificent cave penetrating deep under the island. Few have ever seen it, even fewer have ever dived it, but it's a truly awesome experience.

Lady Julia Percy Island

Lady Julia Percy Island
Lady Julia Percy Island
Lady Julia Percy Island (also known by its Aboriginal name Deen Maar) has to be one of the most incredible diving destinations in Victoria. Ringed by cliffs, with a flat treeless top, the 1.33 square kilometre (329 acres) island is owned by the seals.

The island lies 12 kilometres south-south-west of Yambuk, and 22 kilometres south-west of Port Fairy. Lady Julia Percy Island is about 2 kilometres in length by 1 kilometre wide, comprising a plateau in height from 32–46 metres above sea level, surrounded by cliffs, rock platforms and reefs. Access to Lady Julia Percy Island itself is restricted, and landing is by permit only.

The diversity of marine life, crystal clear water (frequently), rock walls, caves, sand flats, and boulder fields all combine to make this place just stunning. Dolphin, southern elephant seals, Australian sea lions and even killer whales have been observed here. The island can have a particularly ominous feel to it, particularly on an overcast day, but on the right day it is just paradise above and below the water.

Lady Julia Percy Island is famous as the home to the largest colony of Australian Fur Seals in the Southern Hemisphere, and infamous for large Great White Sharks. The sheer number of seals can be a little overwhelming (sight sound and smell), but they are just a part of the wildlife attraction. Mention Lady Julia Percy Island and everyone immediately thinks of sharks, but as any honest abalone diver will tell you, sightings are rare, and they don't eat much anyway.

This island is home to breeding little penguins (2000 pairs), common diving-petrels (1000 pairs), fairy prions (1000 pairs), and short-tailed shearwaters (15,000 pairs). There are also peregrine falcon and sooty oyster catchers. A number of small but unusual plant species survive in the caves in the cliff walls.

Diving Lady Julia Percy Island

Diving at Lady Julia Percy Island is often restricted to the northern or leeward side. The broken bottom and varying depths make this a very interesting dive area.

With the exception of North East Reef, the best underwater scenery is generally found close in to the cliffs. The best terrain generally lies within a 40 metre radius of the island's cliffs, where depths will range from 1 to 20 metres. Whilst some sections are more interesting than others, none will disappoint!

On very good, calm days when you can dive in front, on the ocean side, of the island it becomes simply amazing. There is a very big drop-off across the front of the island, 50 to 70 metres offshore. This drop-off descends from 10 metres to 40 metres deep.

There is at least one very large cathedral-like cave near the base of the drop-off at the south-west end of the island. In the waters on the western side of Lady Julia Percy Island in Prop Bay lies pieces of the RAAF Avro Anson AW-878 aircraft wreck which crashed there on Tuesday, 15 February 1944.

Lady Julia Percy Island is a wonderful dive site but you have to take into account the possibility of shark attacks. Diving here should be avoided during the summer seal pupping season as that can marginally raise the shark attack risk. It's recommended to use a Shark Shield when diving near the island.

Access is by boat from the Port Fairy, Griffiths Street Boat Ramp. Best dived in good conditions with a low swell with light north or northerly winds. You're also a long way from port if the conditions turn and the sea cuts up rough. See WillyWeather (Lady Julia Percy Island) as a guide for the tide times and the height of the tide.

Dive sites at Lady Julia Percy Island include:

Lady Julia Percy Island History

Lady Julia Percy Island is Australia's only submarine volcano formed some seven million years ago. When lava erupts underwater a typical type of lava called pillow lava occurs. These are tube like structures where the interaction with water forms a crust on the outside and molten lava continues to flow inside. It is Australia's only off-shore volcano and the only large basalt island off the coast of western Victoria.

Deen Maar was well known to the Gunditjmara people. It is believed that the spirits of the dead were conveyed across the sea to the island from a cave called Tarnwirring ("the flowing of the wind") at the top of a rocky sea cliff. The island was also known as Tirngoona, meaning "where the sun go away longa night".

The island was given the name "Lady Julia's Island" in 1800 by Lt James Grant after either the wife or daughter of Hugh Percy, 2nd Duke of Northumberland. In 1802 Matthew Flinders expanded the name to Lady Julia Percy's Island as he sailed past on his ship the Investigator. Also in 1802, Nicolas Baudin sailed past the island in his ship the Geographe, and recorded the island as "Ile aux Alouettes", a name that has not persisted.

During the early 19th century, sealing took place with sealing gangs living on the island often for months at a time. There are two graves on the island — one of a sealer buried in 1822, and one of a man named Hardman buried in 1828 by Captain Wishart of the Fairy. Guano was mined on the island for fertiliser until 1861, being transported to Port Fairy in barges.

In January 1936 a scientific expedition from Melbourne University's McCoy Society visited the island for six weeks and carried out a comprehensive ecological survey.

The local Gunditjmara people have a spiritual, traditional and contemporary connection to Deen Maar (Lady Julia Percy Island). This land is the traditional home of the Peek Whurrong speakers of the Dhauwurdwurung (Gunditj Mara) Nation and is of special cultural significance to local Aboriginal people. Bunjil, the Creator, left this world from Deen Maar, and the adjoining mainland and wetlands are also of great spiritual significance.

Abalone Dive Site
Abalone Dive Site
© Mark Norman, Museum Victoria

Divers have the opportunity to catch Abalone at this dive site. Remember your catch bag, legal abalone tool, current Victorian Recreational Fishing Licence, and abalone measure. Please abide by all current fishing regulations if you intend to catch abalone.

See article-catching-abalone for practical abalone hunting advice from The Scuba Doctor, plus melbourne-abalone-dives for a list of other Abalone dive sites near Melbourne.

Crayfish Dive Site
Crayfish Dive Site | © Ian Scholey

Divers have the opportunity to catch Southern Rock Lobster (aka Crayfish) at this dive site. Remember your catch bag, current Victorian Recreational Fishing Licence, rock lobster measure, and cray tags. Once you get back to the dive boat, or shore, make sure you clip the tail and tag your Crayfish as per Fisheries requirements. Please abide by all current fishing regulations if you intend to catch crays. See article-catching-crayfish for practical cray hunting advice from The Scuba Doctor, plus melbourne-cray-dives for a list of other crayfish dive sites near Melbourne. For tips on cooking your Crays, please see article-cooking-crayfish.

Gunditjmara country
Gunditjmara country

Traditional Owners — This dive site is in the traditional Country of the Gunditjmara people of far south-western Victoria which continues over the state border into a small part of south-east South Australia and is bordered by the Glenelg River to the west and the Wannon River in the north. This truly ancient Country extends 100 metres out to sea from low tide and also includes Deen Maar (aka Lady Julia Percy Island) where the Gunditjmara believe the spirits of their dead travel to wait to be reborn. We wish to acknowledge the Gunditjmara as Traditional Owners. We pay respect to their Ancestors and their Elders, past, present and emerging.

 

Blowhole, Lady Julia Percy Island Location Map

Latitude: 38° 25.552′ S   (38.425871° S / 38° 25′ 33.14″ S)
Longitude: 141° 59.909′ E   (141.998482° E / 141° 59′ 54.54″ E)

Datum: WGS84 | Google Map
Added: 2021-07-12 11:50:25 GMT, Last updated: 2021-07-13 12:31:06 GMT
Source: Peter Ronald GPS
Nearest Neighbour: Leopard Seal Reef, 384 m, bearing 42°, NE
Lady Julia Percy Island, Discovery Coast.
Depth: 5 to 25 m.



DISCLAIMER: No claim is made by The Scuba Doctor as to the accuracy of the dive site coordinates listed here. Should anyone decide to use these GPS marks to locate and dive on a site, they do so entirely at their own risk. Always verify against other sources.

The marks come from numerous sources including commercial operators, independent dive clubs, reference works, and active divers. Some are known to be accurate, while others may not be. Some GPS marks may even have come from maps using the AGD66 datum, and thus may need be converted to the WGS84 datum. To distinguish between the possible accuracy of the dive site marks, we've tried to give each mark a source of GPS, Google Earth, or unknown.

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