Meet the site
Little Organ – also called Organ Rock – is one of Norfolk's most characterful dives. Bounty Divers described 'the huge arch and several small caves and swim-throughs', with huge schools of drummer around the arch entrance, two resident boarfish and banded shrimp that pose for photographs. Explore TV's segment on Norfolk diving featured it: a big archway beneath the rock and an adjacent cave divers can swim through, at 21 m. Oceanatik describes a small rock formation east of Duncombe Bay with beautiful corals and marine life, a maximum of 24 m, mild currents, and rates it for experienced divers.
The arch is the centrepiece: large enough to swim through as a group, with the drummer school hanging in the entrance. The adjacent cave and small swim-throughs add interest, and the boarfish – large, deep-bodied fish with long snouts – are a special sighting, as they are usually found in cooler, deeper water. Banded coral shrimp in the crevices are a favourite macro subject.
There is some uncertainty over location. Oceanatik places Little Organ east of Duncombe Bay on the north coast, while Explore TV says the trip takes 10 minutes from Kingston Pier on the south coast. The boat launches from whichever pier suits the wind, and it is possible that the 10-minute figure refers to a launch from Cascade. The coordinates here are approximate and should be confirmed.
The dive suits Open Water divers with some experience, and Advanced divers will be more comfortable at the base. The caves and swim-throughs are short and open but should be avoided in surge. It is one of the dives Norfolk Island Diving shows visitors most often.
Research this site before booking Stored site notes may be historical. These questions highlight gaps without turning old instructions into a current dive plan.
Little Organ is recorded as Pinnacle/Bommie in Norfolk Island. 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 Little Organ 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 Little Organ 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
Drummer (huge schools), boarfish (two residents), banded coral shrimp, corals, reef fish
Location
A small rock formation with a large arch beneath it and an adjacent swim-through cave, to about 21–24 m; Oceanatik places it east of Duncombe Bay.
Facilities nearby
Departure from Cascade Pier (crane launch).
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
bountydivers.blogspot.comexplore-tv.comoceanatik.commarinelife.org.auRecord updated 26 Sept 2026. Source claims are being reviewed.