Meet the site
The Southern Dropoff is the deepest and most exposed of the Breaksea Island sites, a wall on the ocean face of the island that drops to around 40 m. Marine Life Network rates it for experienced divers only and describes caves, sponge gardens and black coral trees, with abundant reef fish and invertebrates and schools of pelagic yellowtail kingfish, samson fish and silver trevally.
The site is shaped by the Southern Ocean: the granite is carved into overhangs and caves by swell, and the constant water movement feeds dense filter-feeder growth – sponges in every colour, gorgonians, and bushes of black coral at depth that are rarely seen on the sheltered sound sites. Blue groper, queen snapper and harlequin fish are common on the wall, and the pelagic schools that hang off the face on a good day are a highlight.
This is a dive for competent, deep-experienced divers who are comfortable with live-boat pickups, possible current and cold water. It is dived far less often than the island's northern sites because the weather window is so narrow, and when it is calm enough the dive shop may prefer the similarly exposed but shallower Blue's Canyon. Divers who get the chance, though, see Albany's temperate reef at its most pristine, with visibility that can exceed 25 m.
The site is a long way from recompression (Perth is 420 km away) and from shelter, so conservative profiles and nitrox with air tables are sensible, and the boat crew should carry oxygen and a clear evacuation plan.
Research this site before booking Stored site notes may be historical. These questions highlight gaps without turning old instructions into a current dive plan.
Breaksea Island Southern Dropoff is recorded as Wall in Albany & Great Southern. The listed access is boat (day trip). 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.
- Planned depth
- Confirm the intended route and training requirements; the recorded maximum is not a target.
- 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 Breaksea Island Southern Dropoff suitable for my certification?
The record lists Deep/Advanced + experience. 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 Breaksea Island Southern Dropoff 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
Black coral trees, sponge gardens, gorgonians, blue groper, queen snapper, harlequin fish, yellowtail kingfish, samson fish, silver trevally, Australian sea lions and fur seals (occasional)
Location
Deep, ocean-facing drop-off on the southern side of Breaksea Island, to about 40 m, with caves, sponge gardens and black coral trees.
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
marinelife.org.auRecord updated 26 Sept 2026. Source claims are being reviewed.

