Dive Site: Port Noarlunga

About Port Noarlunga

Port Noarlunga Jetty and Reef stands as South Australia's most frequently visited and well-known aquatic reserve, making it a prime location for dive training and exploration. Situated just a 25-30 minute drive from Adelaide, its accessibility is a significant draw, despite limited parking near the jetty base requiring a walk of up to 400 meters with gear. The site's primary appeal lies in its easy navigation and rich biodiversity, offering both the reef and the jetty as distinct underwater environments. The reef itself presents an incredibly easy dive, averaging a depth of 5-7 meters with some sections reaching up to 10 meters. The deepest point, 'The Gap', can reach approximately 20 meters, where stronger currents may be present. The main reef structure provides ample protection, making the inner reef particularly suitable for training and novice divers. Divers can follow an underwater trail marked by 12 informative plaques, seven on the inside of the reef and five leading to and around the outer section. The marine life at Port Noarlunga is abundant, with over 200 species of marine plants and animals and more than 50 fish species documented. Seasonal visitors include Port Jackson sharks and wobbegongs, with Port Jackson sharks being a common sight from November to January. Macro enthusiasts will appreciate the over 50 documented species of nudibranchs, alongside flatworms, blue-ringed octopuses, sand octopuses, and pipefish. Entry is primarily via the jetty stairs, with the last set of stairs being the most popular starting point. Divers can explore either south or north along the reef, keeping the reef to one shoulder for navigation. The site is suitable for both day and night dives, with the jetty providing an excellent setting for nocturnal explorations, and the inner reef offering a protected, shallow environment ideal for training and leisurely dives.

Dive site facts: Port Noarlunga

Depth

3–20 m

Typical dive

5–10 m, 60–80 min

Current

Mild to moderate

Visibility

5 m+

Water temperature

11–24 °C

Entry

Jetty stairs

Level

Beginner to Advanced

Dive type

Shore, Reef, Macro, Night

Night dive

Possible

Region / port

South Australia

Coordinates

-35.148, 138.457

Conditions & Currents

Port Noarlunga is generally an easy site to navigate, with the inner reef areas being protected and relatively free from strong currents. However, currents can become quite strong when transiting through 'The Gap', a deeper section of the reef reaching approximately 20 meters. Divers should be mindful of tidal influences, as conditions can vary, and aiming for high slack tide is often recommended for optimal visibility and reduced current, particularly for traversing the gap or climbing over the reef at high tide. Entry is typically from the jetty stairs, allowing for a controlled descent into the water, while exit involves returning to the jetty. Awareness of fishing lines from the jetty is crucial, and divers should maintain appropriate depth to avoid them. Visibility can fluctuate, sometimes being poor due to swell, so maintaining situational awareness and staying close to the reef fo

Marine life & sighting chances

Port Jackson shark

Nov-Jan · common

Wobbegong shark

occasional

Dolphin

occasional

Whale

rare

Ray (small)

common

Nudibranch

common

Flatworm

common

Blue-ringed octopus

common

Sand octopus

common

Pipefish

common

Mackerel (shoal)

occasional

Leafy sea dragon

occasional

Weedy sea dragon

common

Red rock lobster

common

Dive profile & how the dive runs

Diving at Port Noarlunga typically begins with entry from the jetty stairs, with the most popular access point being at the end of the approximately 300-meter-long structure. After entry, divers descend to the reef, which is immediately adjacent to the jetty. From here, you can choose to head south (left) to follow the designated underwater trail, which features 12 markers providing information about the ecosystem. Alternatively, you can head north (right) and follow the reef in that direction. Navigation is straightforward: simply keep the reef to one shoulder on the way out and to the other on the way back to ensure you don't lose your bearings. The average depth throughout the main reef is 5-7 meters, making it an ideal long, shallow dive. For more advanced divers, 'The Gap' offers a deeper section, reaching about 20 meters, where currents can be stronger, but also provides access to the outer reef marked by additional trail markers. The dive concludes by ascending back to the jetty for exit.

Underwater photography

Port Noarlunga is a macro photographer's paradise, boasting over 50 documented species of nudibranchs, along with elusive creatures like flatworms, blue-ringed octopuses, sand octopuses, and pipefish. A macro lens is essential to capture the intricate details of these small subjects. For larger, occasional visitors such as Port Jackson and wobbegong sharks, a wide-angle lens might be suitable, especially if you venture towards the outer reef or deeper sections like 'The Gap'. Given the potential for varying visibility and deeper areas under the jetty, external strobes or video lights will significantly enhance your images, bringing out true colors. Maintaining excellent buoyancy control is crucial to avoid disturbing the delicate reef inhabitants and to compose steady shots.

Combine with nearby dive sites

• Sutherland Point

  Sutherland Point offers an accessible shore diving experience along the dramatic coastline of Kurnell in Botany Bay, Sydney, New South…

• The Campgrounds

  The Campgrounds is a well-regarded drift dive located on the northwest wall of Lady Musgrave Island.

• Harry's Bommie

  Harry's Bommie is a captivating garden reef nestled within Agincourt Reef #4, a prime location on the outer edge of Australia's Great…

Getting there & logistics

Access to Port Noarlunga is highly convenient, being only a 25-30 minute drive from Adelaide, the capital city of South Australia. Adelaide Airport (ADL) serves as the primary gateway, with direct domestic flights from major Australian cities like Melbourne, Sydney, and Brisbane, taking 1-2 hours. International travelers typically connect via hubs such as Hong Kong, Dubai, or Auckland. Once in Adelaide, a car rental provides the most flexibility for reaching the dive site. Parking at the jetty can be limited, potentially requiring a 100-meter walk from the main car park, in addition to the 300-meter jetty walk with gear. Guided dives are readily available from local operators in Adelaide, often including two dives and rental gear. There are no specific marine park fees mentioned for diving here, though it is part of an aquatic reserve.

Safety & environment

While Port Noarlunga is considered an easy dive site, especially the inner reef, several safety considerations apply. Divers must be aware of fishing lines from the jetty, as fishing is permitted. Always stay under the jetty in shallower areas to avoid entanglements. Currents can be strong in 'The Gap' area, requiring divers to be experienced with current diving techniques or to avoid this section if conditions are unfavorable. Swell can also affect underwater visibility and create surge, so divers should assess surface conditions carefully. The nearest recompression chamber would be located in Adelaide, requiring transport from the site in an emergency. Divers are strongly advised to have comprehensive dive insurance covering medical emergencies and evacuation. Given the site's popularity, especially for training, being mindful of other divers is also important.

Who it suits — and who it doesn't

FAQ

Port Noarlunga FAQ

Liveaboards diving Port Noarlunga

These liveaboards may visit Port Noarlunga on selected itineraries — the exact dive sites depend on departure, weather and conditions.

Spoilsport

Australia

28 guests30 m

$405/day

Odyssey Liveaboard

Australia

20 guests24 m

$392/day