Meet the site
Archie's Cave is one of the less publicised sites in the South Solitary Island group, mentioned by Jetty Dive Centre alongside the nearby Steam Boiler as one of the 'other' local dive spots the operator will run when a group has already covered the marquee sites like Manta Arch and the Cleaner Station, or when conditions particularly suit a smaller cave/overhang feature over the more current-exposed moorings. Precise published detail on the site is thin — it does not feature in the same depth of description as Manta Arch or Buchanan's Wall — but it is understood to offer a small cave or overhang structure at a moderate depth typical of the island's general terrain. As with the other boulder and rock-mass sites around South Solitary Island, divers can expect resident wobbegong sharks tucked into the overhang, bullseyes and other schooling reef fish sheltering in the lee of the structure, and crayfish occupying the smaller crevices, along with the nudibranchs and encrusting invertebrate life typical of this part of the marine park. The site's name suggests a local, possibly historical, association — likely named after a diver, fisherman or boat identified with the area — though the exact origin is not documented in available sources. Because Archie's Cave sees relatively little dedicated attention compared with the headline sites, it offers the appeal of a quieter dive within the same rich general ecosystem as the rest of South Solitary Island, without the crowds that can build around Manta Arch on a peak grey nurse shark season weekend. Divers particularly interested in this site should ask Jetty Dive Centre directly, since it is not run on a fixed schedule and its inclusion in a day's diving depends on group preference and conditions on the day.
Research this site before booking Stored site notes may be historical. These questions highlight gaps without turning old instructions into a current dive plan.
South Solitary Island – Archie's Cave is recorded as Cave/Cavern in Coffs Harbour & Solitary Islands. 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.
- 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 South Solitary Island – Archie's Cave 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 South Solitary Island – Archie's Cave 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
Wobbegongs, bullseyes, crayfish, nudibranchs, general South Solitary Island reef fish
Location
A small cave/overhang site on South Solitary Island, dived occasionally by Jetty Dive Centre as one of the group's lesser-known 'other sites' when conditions and diver interest suit.
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
jettydive.com.audivernet.comjettydive.com.auRecord updated 27 Sept 2026. Source claims are being reviewed.