Meet the site
The big jetty at Ardrossan was built by BHP to load dolomite quarried nearby for its steelworks, and it has since also served as a grain-loading facility. It runs far out from the shore north of the town and reaches about 15 m at its head, making it a completely different dive from the shallow town jetty. The Dive Shack and SDFSA both describe it as a moderate boat dive, and both single out the same feature: huge schools of fish congregate at the end. The massive piles and loading structure offer a lot of hard surface and deep shade, and they are colonised by sponges, soft corals, ascidians and hydroids. Around the head, schools of yellowtail scad, tommy ruff, trevally and old wives mill in the shade, with snapper, sweep and leatherjackets among them, while Port Jackson sharks, stingrays and blue swimmer crabs work the bottom. Smaller life – nudibranchs, crabs, octopus – is found on the lower piles. Because it is a working facility there is no public shore access, and the jetty can only be dived from a boat when no ship is in port. That restriction, plus the need for a boat, means it is rarely dived, mostly by locals and club members. Visibility in the upper gulf is often limited, but the depth means the jetty head is less affected by surface stirring than the shallow jetties. For divers with a boat who have done the town jetty, the BHP jetty is the more interesting deeper option, and it can be combined in a day with the Zanoni wreck (permit required) or the Ardrossan Barge further out in the gulf. It suits Open Water divers comfortable at 15 m in variable visibility.
Research this site before booking Stored site notes may be historical. These questions highlight gaps without turning old instructions into a current dive plan.
Ardrossan BHP Jetty is recorded as Jetty/Pier in Yorke Peninsula. The listed access is 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.
- Other water users
- Ask about vessel activity, exclusion areas and the agreed surface arrangements.
- Lines and obstructions
- Discuss any known entanglement concerns and the suitability of the planned area.
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 Ardrossan BHP Jetty suitable for my certification?
The record lists 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 Ardrossan BHP Jetty 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
Large schools of yellowtail scad, tommy ruff, trevally, old wives, snapper, sweep, leatherjackets, Port Jackson sharks, stingrays, blue swimmer crabs, sponges and soft corals
Location
Long bulk-loading jetty north of Ardrossan township (originally built by BHP for dolomite, now also grain), reaching about 15 m depth at the head, where large schools of fish congregate.
Facilities nearby
Boat ramp, toilets and services at Ardrossan; nothing at the jetty.
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
thediveshack.com.ausdfsa.netsdfsa.netRecord updated 26 Sept 2026. Source claims are being reviewed.