Meet the site
Seawolves Cove is one of the lesser-known Marion Bay sites listed by the Marine Life Society of South Australia. The Society describes it as a cove with diverse fish life, caves and swim-throughs in 10-12 m, and it singles out one resident in particular: blue groper that are tame enough to be hand-fed (a practice now discouraged). The cove's walls and cave roofs are decorated with soft corals, gorgonian fans and sponges, and the fish life includes southern blue devils, bullseyes, nannygai and sweep alongside the groper. The limestone of the Innes coast erodes into overhangs and tunnels, and the combination of shelter and invertebrate colour makes this kind of cove one of the most rewarding dive types in the area. Beyond that description, documentation is thin. There is no published position, no mooring and no regular operator, so divers need local knowledge to find it. The Society stresses that it is only dived in good weather with low swells, since surge in caves on this coast can be dangerous. Divers interested in it should ask Adelaide shops that run Innes trips or local divers in Marion Bay for directions. If you do find it, record the position and share it with the Marine Life Society or SDFSA so the site can be documented properly; many of the older Innes sites were recorded in the 1980s and 1990s and have since dropped out of common knowledge. Resist the temptation to feed the groper: habituated fish become vulnerable to spearfishers, and feeding changes their behaviour. A torch will bring out the colour of the soft corals and fans inside the caves.
Research this site before booking Stored site notes may be historical. These questions highlight gaps without turning old instructions into a current dive plan.
Seawolves Cove is recorded as Reef 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.
- Water movement
- Ask how swell and local exposure affect the proposed entry, exit and route.
- Overhead environments
- Ask whether the plan stays entirely in open water. A wreck or cave listing is not permission or training to enter.
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 Seawolves Cove 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 Seawolves Cove 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
Western blue groper (tame), southern blue devils, bullseyes, nannygai, sweep, soft corals, gorgonian fans, sponges
Location
Cove on the Marion Bay/Innes coast with caves and swim-throughs in 10-12 m and hand-tame blue groper; exact position not published.
Facilities nearby
Marion Bay ramp and services.
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.