New South Wales
Diving in Sydney Northern Beaches
From Manly to Palm Beach the Northern Beaches are a string of headlands with reefs on their protected sides and open-ocean sites offshore. Shelly Beach at Manly is the classic Sydney shore dive, an aquatic reserve with blue gropers and dusky whalers in summer; Long Reef and the Apartments off Dee Why are boat dives with grey nurse sharks and a resident wobbegong population. The wreck of the Valiant off Palm Beach and the SS Tuggerah off Long Reef suit deeper divers.
THE LOCAL PLANNING BRIEF
Understand the options around Sydney Northern Beaches
What this regional directory records Counts describe published records, not bookable trips or confirmed open sites.
There are 52 published site records in Sydney Northern Beaches. The recorded categories include reef (17), shore/rock platform (14), wreck (14), wall (5). These categories reflect the database; they are not a ranking, a conditions report or an assessment of your suitability.
Use the Sydney Northern Beaches site cards to compare recorded access and depth, then open the individual pages for the map accuracy and source notes. Sites grouped in a region are not necessarily close enough to combine in one day.
Research operators in New South Wales →Ask before booking
- Where does the trip meet, and is parking or a transfer needed?
- Which alternative itinerary might be offered?
- What local park or access information should we check?
Save the answers with the contact name and date. Separate confirmed arrangements from items still waiting for a reply.
Record your trip questions →Questions, answered
How do I choose a dive in Sydney Northern Beaches?
Begin with the individual site and its source notes, then discuss the proposed trip with a local provider. The 52 published records are research options, not a list of trips available today. Match the plan to your training, recent experience and the operator’s current requirements.
When should I visit Sydney Northern Beaches for diving?
Choose dates with a provider who runs the activity you want, then discuss seasonal patterns, recent conditions and alternative itineraries. A generic best-month claim cannot establish the conditions at your exact site or guarantee a wildlife encounter.
Can I use these maps to enter or navigate a dive site?
No. Recorded and approximate map positions support orientation only. Confirm the exact access, permissions, meeting point and route with the responsible local provider or manager.
Regional planning context: Destination NSW — beaches and water activities ↗. Directory counts come from published YouDive records. Individual site claims remain subject to their source and review notes.
Dive sites in this region
WallSydney Northern Beaches
Fairfax Lookout (North Head)
The deepest and richest of the North Head reefs – walls and swim-throughs above sponge gardens at 26–30 m at the tip of the…
ReefSydney Northern Beaches
Green Wheely Bin Reef (North Head)
An out-of-the-way wall and boulder gully at the tip of North Head with an old Admiralty anchor and, on one occasion, sixty…
Shore/Rock PlatformSydney Northern Beaches
Manly Beach (South Steyne – Queenscliff)
The beach where a southern right whale and calf rested within 200 m of the sand in 1993 – an open surf beach with reef only at…
Shore/Rock PlatformSydney Northern Beaches
North Curl Curl
Overhangs, swim-throughs and a sponge-lined sand line at 18–20 m off a rock platform on the Curl Curl headland – exposed,…
ReefSydney Northern Beaches
North Head Sponge Gardens
Continuous sponge and soft-coral mosaic on a sheltered boulder slope, reliably diveable and reliably colourful – Manly's standard…
Pinnacle/BommieSydney Northern Beaches
The Pinnacles – Bangalley Head
Surface-breaking pinnacles and a maze of house-sized boulders with swim-throughs and sea dragons, all shallower than 18 m.
WreckSydney Northern Beaches
The Trio wreck
A 50 m ferro-cement barge upright in 51 m off Mona Vale, discovered in 1988 and still rarely visited.
ReefSydney Northern Beaches
The Waterfall (North Head)
A sheltered 45-degree boulder slope beneath a cliff spring, coated in sponges and sea fans – the easiest of the North Head sponge…
Shore/Rock PlatformSydney Northern Beaches
Avalon (Little Av)
A shallow, sheltered-corner boulder reef beside the Avalon rock pool – the upper Northern Beaches' easiest local shore dive and…
Details need confirmationReefSydney Northern Beaches
Barrenjoey Head / Palm Beach
Sea-dragon gullies and boulder slopes beneath the Barrenjoey lighthouse at the mouth of Broken Bay – the last reef on the…
Details need confirmationShore/Rock PlatformSydney Northern Beaches
Bilgola Beach (northern headland)
Kelp gardens and a sea-dragon sand line at 12–15 m off the palm-fringed northern headland of Bilgola.
Details need confirmationReefSydney Northern Beaches
Blue Moon (North Head)
An outer North Head boulder-slope anchorage between Checkpoint Charlie and Runway, dropping to 28 m on the ocean face.
Details need confirmationShore/Rock PlatformSydney Northern Beaches
Bongin Bongin Bay (Mona Vale Basin)
A headland-sheltered sandy bay with seagrass seahorses, sea dragons on the kelp edge and an easy beach entry – Mona Vale's…
Details need confirmationWreckSydney Northern Beaches
Canoe Barge (Long Reef)
A canoe-ended barge, fully intact with its winches, whose hold fills with schools of jewfish – the furthest out of the Long Reef…
Details need confirmationWallSydney Northern Beaches
Checkpoint Charlie (North Head)
A sharp wall rolling into a boulder maze of gullies and swim-throughs, home to some of the biggest bull rays at North Head.
Details need confirmationShore/Rock PlatformSydney Northern Beaches
Dee Why Point / Dee Why to Curl Curl reef (northern end)
The northern access to a 2 km headland-to-headland reef traverse, best by scooter; shallow kelp reef under the Dee Why surf break…
Details need confirmationReefSydney Northern Beaches
Doubt Reef
Deep rocky shelves and valleys in 36–45 m of clear offshore water east of North Head – a technical-depth reef few have seen.
Details need confirmationReefSydney Northern Beaches
Gorgonia Grove (North Head)
Metre-wide gorgonian fans on a North Head boulder reef, with a recent cliff rockfall adding fresh walls and overhangs.
Details need confirmationWreckSydney Northern Beaches
Hopper Barge 656 (Long Reef)
An intact 50 m MSB hopper barge on the Long Reef reef ground with an accessible bow void, in the clear water 3 nautical miles out.
Details need confirmationShore/Rock PlatformSydney Northern Beaches
Long Reef Aquatic Reserve (shore)
Tame blue groper and kelp gutters inside NSW's oldest aquatic reserve, from a sandy beach beneath the Long Reef headland.
Details need confirmationPinnacle/BommieSydney Northern Beaches
Manly Bommie
The sponge-walled outer bommie of Cabbage Tree Bay – bigger fish and real structure a short boat hop or a long swim from Shelly…
Details need confirmationShore/Rock PlatformSydney Northern Beaches
Mona Vale Headland
Kelp beds to a sea-dragon sand line at 12 m off the Mona Vale headland, with the sheltered Basin as a fallback around the corner.
Details need confirmationReefSydney Northern Beaches
Outer Flagstaff (North Head)
Shallow North Head reef with scattered wreck fragments and, each autumn, a cast of tropical vagrants among the kelp.
Details need confirmationShore/Rock PlatformSydney Northern Beaches
Palm Beach (ocean side – rock pool and Kiddies Corner)
Kelp-and-boulder reef under Little Head beside the Palm Beach ocean pool – a sheltered corner of Sydney's northernmost surf beach.
Details need confirmation