Meet the site
The Marine Life Network guide rates it 6 out of 10 and says it is often used for dive courses: a long swim over shallow short brown algae (about 5 m maximum) followed by abundant fish life around a rock that is visible at low tide and covered by 1-2 m at high tide. The Leven Scuba Club lists Popeyes Rock among the Rocky Cape mix of shore and boat dives.
In the shallows there are a few abalone, wrasse, magpie perch, zebrafish, sponges and ascidians. Around the rock the fish list grows: long-snouted boarfish, barber perch, leatherjackets, red mullet, zebrafish, senator wrasse and globefish, with pipehorses, cuttlefish, cowfish and nudibranchs, and bullseyes in the crevices. The crevices are packed with sponges, ascidians, cup corals, hydroids and bryozoans. At night bullseyes school on the bottom and octopus and other nocturnal hunters appear. Local divers typically combine two or three Rocky Cape and Sisters Island sites in a day, choosing the side of the cape that suits the wind and the state of the tide.
The Rocky Cape and Sisters Island area is, in the Leven Scuba Club's words, the best collection of dive sites on the north-west coast. The quartzite of Rocky Cape - some of the oldest rock in Tasmania - forms gutters, ledges, caves and bommies, and the tidal flow along Bass Strait keeps sponges, gorgonians, sea pens and bryozoans well fed. Michael McFadyen, diving here in February 2008, recorded 18-19 °C water and 20-25 m visibility, figures that surprise divers used to the east coast.
Rocky Cape National Park also protects Aboriginal cave sites and coastal heath above the water, and a Parks Pass is required for vehicles. The nearest hyperbaric chamber is the Royal Hobart Hospital, about four hours' drive away, so conservative profiles and oxygen on the boat are essential.
Research this site before booking Stored site notes may be historical. These questions highlight gaps without turning old instructions into a current dive plan.
Rocky Cape is recorded as Shore/Rock Platform in Tasmania North & North-West. 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.
- Water movement
- Ask how swell and local exposure affect the proposed entry, exit and route.
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 Rocky Cape 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 Rocky Cape 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
Long-snouted boarfish, barber perch, leatherjackets, red mullet, zebrafish, senator wrasse, globefish, pipehorses, cuttlefish, cowfish, bullseyes, nudibranchs, sponges, ascidians, cup corals, abalone
Location
The main shore dive at Rocky Cape: a long swim over shallow weed beds to Popeye's (Half-Tide) Rock on the eastern side of the cape, visible at low tide.
Facilities nearby
Rocky Cape National Park: day-use areas, toilets and picnic facilities at Mary Ann Bay/western end and near the lighthouse road; no shops. Sisters Beach and Boat Harbour have small general stores; Wynyard for all services. No confirmed air fills on the coast - Launceston is the reliable option.
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.aulevenscubaclub.com.auparks.tas.gov.auRecord updated 26 Sept 2026. Source claims are being reviewed.