Meet the site
Waterfall Bay is the heart of the Eaglehawk Neck diving area, a deep bay walled by dolerite and sandstone cliffs where a creek pours over the clifftop after rain. Underwater the cliffs continue vertically in places and break into huge boulder gardens elsewhere, creating a maze of canyons, gutters and swim-throughs that the dive centre describes as caves without ceilings. The wall section drops from kelp-covered shallows at 5 m to sand at 20-25 m, and it is one of the most colourful temperate walls in Australia. The rock is densely packed with jewel anemones and golden zoanthids in shaded sections, and with sponges, sea whips, hydroids and ascidians on the deeper faces. Butterfly perch and bullseyes hang off the wall, banded morwong and blue-throated wrasse patrol the boulders, and weedy seadragons are found in the kelp and on the sand edge. Fur seals from nearby haul-outs sometimes swing through. Several separate drops are made along the bay depending on the group, from gentle boulder slopes in 8-12 m suitable for new Open Water divers to canyon runs and deeper wall sections for experienced divers. Go Dive Tasmania also runs Waterfall Bay as a night dive, when octopus hunt across the boulders, fish sleep in the cracks and bioluminescence sparks at every fin kick. The bay is a net-free area within the national park waters and fish life is noticeably richer than on open coastline. Because the cliffs give shelter from westerly winds, Waterfall Bay is the most reliably diveable part of the peninsula, which is why most visitors do at least one dive here. It suits a broad range of divers: beginners get an easy, spectacular reef in good visibility, while photographers can spend dive after dive on the invertebrate walls. Combine it with Cathedral Cave or Patersons Arch for a full day in the bay.
Research this site before booking Stored site notes may be historical. These questions highlight gaps without turning old instructions into a current dive plan.
Waterfall Bay Wall is recorded as Wall in Tasman Peninsula. 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.
- 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 Waterfall Bay Wall 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 Waterfall Bay Wall 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
Jewel anemones, golden zoanthids, sponges, sea whips, hydroids, ascidians, weedy seadragons, butterfly perch, bullseyes, banded morwong, blue-throated wrasse, magpie morwong, southern rock lobster, draughtboard sharks, octopus, occasional fur seals
Location
The dolerite cliffs, boulder gardens and canyons lining Waterfall Bay south of Tasman Arch, where the cliff face continues underwater to sand at 20-25 m.
Facilities nearby
Dive centre fills and hire at Eaglehawk Neck; toilets at Pirates Bay boat ramp and Tasman Arch car park.
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
godivetas.com.aueaglehawkdive.com.auxray-mag.comindopacificimages.comeaglehawkdive.com.auRecord updated 27 Sept 2026. Source claims are being reviewed.