The Dock is a shore dive in Tasmania that rewards advanced divers willing to work with variable conditions and cold water. Current can shift unpredictably, so timing your entry matters. The real draw here is the marine life: leafy sea dragons are the standout find, requiring a slow, patient approach to spot among the reef structure. Seals and dolphins make occasional appearances, though neither is guaranteed. Water temperatures stay cold year-round, so a well-fitted drysuit or thick wetsuit is non-negotiable. Summer months from December through March offer the most reliable conditions for a productive dive.
-39.80350, 147.86850
Visit during the summer months when conditions are at their most settled and leafy sea dragon sightings are more consistent. Parking is available on site, so there is no need to haul gear far, but suit up fully before descending as the cold hits quickly.
Access is via a car park for "The Dock to Killiecrankie Walk". The snorkel site is the bay directly accessible from this point.
certifications_required
Skill Level
Advanced
Entry
Shore
Water Temp
13-19°C
Best Time
Jan, Feb, Mar, Dec
No nearby dive sites found within 50km.
The Dock in Tasmania's Bass Strait Islands offers exceptional encounters with leafy sea dragons, one of Australia's most iconic marine species. Snorkellers also regularly spot seals and dolphins in these temperate waters. The site's unique ecosystem makes it a premier location for observing rare and charismatic Australian marine fauna.
Water temperatures at The Dock range from 12°C to 20°C throughout the year. The warmest conditions occur during summer months from December through March, when temperatures reach their peak of 20°C. A thick wetsuit or drysuit is essential for comfortable snorkelling in these cold Tasmanian waters.
The optimal months for snorkelling The Dock are December, January, February and March during the Austral summer. These months provide the warmest water temperatures up to 20°C and the most favourable conditions for observing the site's marine life. Summer also offers longer daylight hours for extended snorkelling sessions.
The Dock requires advanced snorkelling skills and is not recommended for beginners. The cold water temperatures ranging from 12°C to 20°C demand strong swimming ability and experience managing thermal protection equipment. Snorkellers must be comfortable in challenging Tasmanian conditions and capable of handling shore entries independently.
Night snorkelling is permitted at The Dock, offering opportunities to observe nocturnal marine behaviour in Tasmania's Bass Strait Islands. The shore entry and parking facilities make night access practical for experienced snorkellers. Cold water temperatures require proper thermal protection, and snorkellers should use appropriate lighting and dive with experienced companions.
The Dock is accessed via shore entry from the Bass Strait Islands with parking facilities available on site. No boat is required, making it accessible for independent snorkellers with their own equipment. The shore entry point provides direct access to the snorkelling area where leafy sea dragons and other marine life congregate.
The Dock has no entry fee, providing free access to one of Tasmania's premier snorkelling locations. Visitors only need to arrange their own transport to the Bass Strait Islands and bring appropriate cold water snorkelling equipment. Parking is available at the site at no additional cost.
Cold water is the primary hazard at The Dock, with temperatures dropping as low as 12°C. Hypothermia risk is significant without proper thermal protection such as thick wetsuits or drysuits. Advanced snorkellers should monitor their exposure time carefully and exit the water immediately if experiencing cold-related symptoms.
Diving at The Dock in Bass Strait Islands requires the following certifications: Advanced. Always dive within your training limits.
A 7mm wetsuit or semi-dry is recommended for diving at The Dock in Bass Strait Islands. Water temperatures range from 13°C to 19°C.