Meet the site
St Kilda Pier is Melbourne's best-known pier and one of its more interesting inner-city dives, mostly because of the seagrass. The pier began as a working jetty in the mid-1800s and juts west from the St Kilda foreshore; the rock breakwater on its southern side was built for the 1956 Olympic sailing events and still shelters the harbour, with the original race start tower in use. The breakwater is now home to a colony of little penguins and a rakali population and is off limits to divers, and the marina behind it is busy, so the dive is confined to the open northern side and the head of the pier. That side is fringed by extensive Zostera and Heterozostera seagrass meadows, which act as a nursery: juvenile fish, pipefish, seahorses, gobies, cuttlefish and southern calamari eggs are all found in the weed, and at night the meadows come alive with octopus, dumpling squid and stingarees. The pylons themselves carry mussels, sea squirts and sponges with blennies, cardinalfish, leatherjackets and sea stars, and on the sand between the weed you may see fiddler rays and flathead. Depth grows from 2 m off the beach to about 8 m at the head, which makes it slightly deeper than the other inner piers. Visibility is the limiting factor: the Yarra and stormwater plumes keep it modest, and silt is easy to stir. It suits new divers, snorkellers, night divers and photographers who like seagrass macro, and it is the only pier in Melbourne you can reach by tram. Point Ormond Reef at Elwood is 2 km south for a second shallow dive.
Research this site before booking Stored site notes may be historical. These questions highlight gaps without turning old instructions into a current dive plan.
St Kilda Pier is recorded as Jetty/Pier in Melbourne & Port Phillip Bay. The listed access is shore. 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 St Kilda Pier 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 St Kilda Pier 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
Seahorses, pipefish, cuttlefish, southern calamari, octopus, dumpling squid, stingarees, fiddler rays, flathead, blennies, cardinalfish, leatherjackets, sea stars; little penguins on the breakwater (do not approach)
Location
Long pier running west from the St Kilda foreshore into Port Phillip, with a rock breakwater and boat harbour on its southern side and extensive seagrass beds around it.
Facilities nearby
Metered foreshore parking; public toilets and showers at the beach; kiosks and cafes on the foreshore and Acland Street; St Kilda Sea Baths; nearest air fills Dive Victoria Group or Scuba Culture
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
scubadoctor.com.auscubadoctor.com.auRecord updated 26 Sept 2026. Source claims are being reviewed.
