Meet the site
The Deep Wall is Bare Island's serious dive, a prominent reef face south-west of the island's western point that drops more than three metres onto sand at 15–19 m, with overhangs, cracks and a small cave along its length. It is the deepest of the routes McFadyen has mapped around the island and links the whole system together: from the wall you pass the isolated Big Rock, a sand gully marked by a concrete block that anchors the Energy Australia cable from La Perouse to Kurnell, the 15 Metre ('Boomerang') Reef and, further north-west, the Isolated Reefs, before rejoining the main Bare Island Right reef at Sea Horse Corner. The colours on the wall are described as fantastic – sponges, sea squirts and gorgonians in profusion – and the deeper water brings a different cast: pygmy pipehorses, red Indianfish, big-belly seahorses, dwarf firefish, cuttlefish, bearded cod, morwong, snapper, crayfish under the ledges, Port Jackson sharks in season and, occasionally, a grey nurse shark cruising through. Weedy seadragons are seen in the kelp on the way out. The dive is demanding by shore standards. Currents in the 16–19 m range often run opposite to expectation, particularly on the ebb after a big high tide; the reefs run in all directions and it is easy to get lost in poor visibility; and if you do surface out here it is a long swim back among fast boats. McFadyen recommends many dives on the shallower parts of the reef before attempting the full route, a 12 L tank and 50–60 minutes minimum, with 80 minutes typical for experienced divers. Charter operators also drop divers on it by boat and drift the half-circumnavigation back to the bridge. For advanced divers it is the best of Bare Island – deeper, clearer, more colourful and far quieter than the training zones.
Research this site before booking Stored site notes may be historical. These questions highlight gaps without turning old instructions into a current dive plan.
Bare Island – Deep Wall is recorded as Wall in Sydney South & Botany Bay. The listed access is shore or boat. Confirm the actual meeting point, route and permission to visit; a map pin does not establish any of these.
Topics flagged by the stored research
These are questions prompted by the existing notes, not a verified or complete hazard assessment.
- Current and timing
- Ask how the operator assesses the current window for the actual route. Historical tide notes are not a departure instruction.
- Other water users
- Ask about vessel activity, exclusion areas and the agreed surface arrangements.
- Water movement
- Ask how swell and local exposure affect the proposed entry, exit and route.
Historical access notes exist for this record, but have not been independently verified for current use. Request current directions from the operator or site manager rather than following an old entry description.
Questions, answered
Is Bare Island – Deep Wall suitable for my certification?
The record lists Advanced Open Water. That does not establish suitability for every route or day. Share your training, recent experience and equipment needs with the operator and ask about the specific proposed dive.
Can I book Bare Island – Deep Wall through YouDive?
YouDive is an independent research directory. Contact an operator directly to confirm whether it currently runs the trip, the inclusions and the booking terms.
What you might see
Sydney pygmy pipehorse, red Indianfish, big-belly seahorse, weedy seadragon, dwarf firefish, cuttlefish, bearded cod, morwong, snapper, crayfish, Port Jackson shark, grey nurse shark (occasional), sponges, sea squirts, gorgonians
Location
Prominent wall dropping more than 3 m to sand at 15–19 m south-west of Bare Island's western point, with the Big Rock, a sand gully with a cable marker block, and links to the 15 Metre Reef and Isolated Reefs.
Facilities nearby
Free parking on Anzac Parade and the La Perouse loop (fills by 8 am on weekends), toilets at La Perouse, cafés and fish and chips at the loop, gear-up on the grass above the bridge; air fills at Abyss (Ramsgate) and Sydney Dive Academy (Matraville).
Before you make plans
Conditions, access and operator schedules can change. This is a location guide, not a dive plan. Ask a local operator about current conditions and suitability for your training and experience.
Sources & further reading
michaelmcfadyenscuba.infomichaelmcfadyenscuba.infomichaelmcfadyenscuba.infomichaelmcfadyenscuba.infoRecord updated 26 Sept 2026. Source claims are being reviewed.


