Marine Sanctuaries Melbourne — Protected Dive & Snorkel Sites

Melbourne's marine sanctuaries are the city's underwater reserves — protected areas where fishing, collecting, and all forms of extraction are banned, allowing marine ecosystems to recover and thrive.

Port Phillip Bay and the adjacent coastline are home to four major marine sanctuaries and marine national parks: Ricketts Point Marine Sanctuary, Jawbone Marine Sanctuary, Point Cooke Marine Sanctuary, and Port Phillip Heads Marine National Park. Each offers different habitats, marine life, and diving experiences, but all share the same core purpose — protecting marine biodiversity and providing safe havens where fish, invertebrates, and seagrass ecosystems can flourish without human harvest.

For divers, snorkelers, and freedivers, marine sanctuaries are some of the best places to dive in Melbourne. The no-take regulations mean marine life is more abundant, less skittish, and closer to its natural state. Fish that have been heavily targeted elsewhere grow larger here. Species that are shy or rare in unprotected areas become common. And over time, the benefits of protection spill over into surrounding waters, supporting healthier marine ecosystems across the bay.

This guide covers everything you need to know about Melbourne's marine sanctuaries: what they are, where they are, what you'll see underwater, the rules that govern them, how to access each site for snorkeling and diving, and why they matter for the future of Melbourne's marine environment.

What Marine Sanctuaries Are

Marine sanctuaries are no-take zones — protected areas where all fishing, spearfishing, and collection of marine life (including shells, rocks, and invertebrates) is prohibited. They are the marine equivalent of national parks on land: areas set aside to preserve natural ecosystems and allow them to function without extractive human activity.

The primary goal of a marine sanctuary is conservation. By removing fishing pressure and other forms of harvest, marine sanctuaries allow fish populations to recover, reef habitats to regenerate, and entire ecosystems to return to a healthier, more biodiverse state. Over time, these protected areas become refuges for species that have been depleted elsewhere, and they serve as ecological baselines — showing what marine ecosystems can look like when they're not constantly being harvested.

Marine sanctuaries also benefit surrounding areas through what's called the "spillover effect." As fish populations inside sanctuaries grow and mature, some individuals move out into adjacent waters, effectively reseeding nearby areas with larger, more abundant fish. This makes marine sanctuaries valuable not just for conservation, but also for the long-term sustainability of fisheries in surrounding regions.

Marine Sanctuaries vs Marine National Parks

Victoria has two main categories of highly protected marine areas: marine sanctuaries and marine national parks. Both are no-take zones, but marine national parks (like Port Phillip Heads Marine National Park) have the highest level of legal protection in Victoria's marine protected area system. Marine sanctuaries (like Ricketts Point, Jawbone, and Point Cooke) have strong protection but sit one level below marine national parks in the hierarchy.

In practice, the difference is mostly legal and administrative. For divers, the rules are the same: no fishing, no collecting, no removal of any marine life. Both categories are managed by Parks Victoria, and both offer excellent diving and snorkeling.

Victoria's Sanctuary Network

Melbourne's marine sanctuaries are part of a statewide network of marine protected areas established in the early 2000s. The network was designed to protect a representative sample of Victoria's marine ecosystems, from sandy beaches to deep reefs, seagrass meadows to kelp forests. Port Phillip Bay has four protected areas within or near the greater Melbourne area, each protecting different habitat types.

These sanctuaries represent less than 5% of Port Phillip Bay's total area, but they punch well above their weight in terms of biodiversity and ecological value. Research shows that marine life inside these sanctuaries is significantly richer than in unprotected areas, making them critical for the health of the bay as a whole.

Ricketts Point Marine Sanctuary

Ricketts Point Marine Sanctuary is Melbourne's most accessible and most visited marine sanctuary. Located in Beaumaris, 20 kilometres south-east of the CBD, the 115-hectare sanctuary protects shallow sandstone reef, seagrass meadows, and sandy patches along the Beaumaris foreshore.

The sanctuary was established in 2002 and has been protected for over two decades. The result is a noticeably healthier marine ecosystem compared to nearby unprotected areas. Fish are more abundant, invertebrate communities are more diverse, and the seagrass beds are denser. Snorkelers regularly see Port Jackson sharks (especially in winter), smooth rays, schools of yellowtail scad and zebrafish, weedy seadragons, and dense aggregations of sea stars covering the reef walls.

Ricketts Point is ideal for beginners. The water is shallow (1-4 metres), entry is easy from the beach via wooden staircases and rock platforms, and the marine life is abundant enough that even a 20-minute snorkel is rewarding. The community group Marine Care Ricketts Point runs free guided snorkels most Saturdays from November to March, making it one of the best sites for first-time snorkelers to explore a marine sanctuary with knowledgeable guides.

What You'll See

• Fish: Yellowtail scad, zebrafish (old wives), leatherjackets, blue-throated wrasse, King George whiting, snapper, flathead
• Sharks & rays: Port Jackson sharks (winter), smooth rays, occasional Port Jackson shark egg cases wedged in crevices
• Iconic species: Weedy seadragons (rare but present), nudibranchs, cuttlefish
• Invertebrates: Eleven-armed sea stars (extremely abundant), jewel anemones, blue-ringed octopus, crabs, mussels
• Habitat: Sandstone reef walls, sea caves, seagrass meadows, sandy channels

Best For

Beginners, families, guided snorkels, shore diving, winter shark encounters, underwater photography. Ricketts Point is the ideal first marine sanctuary to explore. For a full guide, see our Ricketts Point snorkeling guide.

Access

Beach access from multiple points along Beaumaris Concourse and Beach Road. Free street parking. Public transport via Sandringham or Mentone train stations, then bus 822 or 828. No boat required.

Jawbone Marine Sanctuary

Jawbone Marine Sanctuary is the closest marine sanctuary to Melbourne's CBD — just 8 kilometres from the city center in Williamstown. The 5.5-hectare sanctuary is small but historically significant, protecting a section of rocky foreshore that includes remnant bluestone ballast from 19th-century sailing ships, low reef platforms, and sandy patches.

The sanctuary is named for the jawbone of a whale that once stood on the foreshore (it has since been replaced with a replica). The site is culturally and historically significant — Williamstown was Melbourne's first port, and the ballast stones scattered across the seabed came from ships that sailed here in the 1800s. These stones now provide hard substrate for marine life in an area that would otherwise be mostly sand.

Jawbone is less diverse than Ricketts Point, but it's still worth visiting if you're in the area. The shallow rock platforms (1-3 metres deep) support fish schools, invertebrates, and occasional rays. The site is exposed to northerly and north-westerly winds, so calm conditions are essential for good visibility.

What You'll See

• Fish: Leatherjackets, zebrafish, wrasse, flathead, juvenile snapper in the seagrass
• Rays: Smooth rays, occasional eagle rays
• Invertebrates: Sea stars, sea urchins, crabs, mussels, sponges on the ballast rocks
• Heritage: 19th-century ship ballast stones scattered across the seabed
• Habitat: Low rock platforms, sandy patches, sparse seagrass, ballast rock piles

Best For

Quick snorkels close to the city, heritage interest (shipwreck ballast), calm-water snorkeling for beginners. Jawbone is not Melbourne's richest sanctuary, but its proximity to the CBD and historical significance make it worth a visit.

Access

Beach access from Jawbone Reserve, Williamstown. Free parking at the reserve. Public transport via Williamstown train station (20-minute walk) or Williamstown ferry from Southbank. No boat required.

Conditions

Exposed to northerly winds. Best on calm days with light southerly winds. Visibility is often poor (2-4 metres) due to sandy substrate and urban stormwater runoff. High tide is best for snorkeling.

Point Cooke Marine Sanctuary

Point Cooke Marine Sanctuary is the most remote and least visited of Port Phillip Bay's marine sanctuaries. Located on the western shore of the bay near Werribee, roughly 30 kilometres from Melbourne's CBD, the 2,100-hectare sanctuary is the largest protected area in the bay.

Unlike Ricketts Point and Jawbone, which are rocky reef sanctuaries, Point Cooke primarily protects seagrass meadows. These vast underwater meadows of Zostera and Amphibolis seagrass species are critical habitat for juvenile fish, rays, seahorses, and migratory shorebirds that feed in the shallows at low tide. The sanctuary extends from the intertidal zone out to roughly 3-4 metres depth, covering a broad, flat seabed.

Point Cooke is not a classic snorkeling site — there's no dramatic reef, no large fish, and visibility is often poor due to the shallow, sandy environment. But for divers interested in seagrass ecosystems, juvenile fish, and the quieter side of marine conservation, Point Cooke offers a different perspective. The sanctuary is also significant for migratory birds — thousands of waders visit the tidal flats at low tide to feed on invertebrates in the seagrass.

What You'll See

• Seagrass: Extensive Zostera and Amphibolis meadows
• Juvenile fish: Baby snapper, King George whiting, flathead, pipefish
• Rays: Smooth rays, eagle rays (occasionally)
• Seahorses: Big-bellied seahorses and short-headed seahorses (rare but present in seagrass)
• Invertebrates: Crabs, shrimp, sea stars, anemones buried in sand
• Birds: Migratory waders at low tide (not underwater, but part of the ecosystem)

Best For

Seagrass habitat study, seahorse searching (slow, careful observation required), birdwatching at low tide, calm-water shore dives. Point Cooke is not for casual snorkelers — it's for those interested in the less glamorous but ecologically critical seagrass ecosystems.

Access

Shore access from Point Cooke Coastal Park. Entry involves wading across mudflats and shallow seagrass beds — booties or wetsuit shoes are essential to protect your feet. Free parking at the park. No public transport nearby. Remote location — bring all your own gear and supplies.

Conditions

Very shallow (1-3 metres). Visibility is typically poor (2-4 metres) due to sandy bottom and seagrass particulates. Best visited on high tide with light winds. Exposed to northerly and westerly winds. Rarely diveable in rough conditions.

Port Phillip Heads Marine National Park

Port Phillip Heads Marine National Park is Victoria's most significant marine protected area in the Melbourne region and the only marine national park near the city. Declared in 2002, the park covers 3,540 hectares and protects the entrance to Port Phillip Bay — a hydrodynamically complex area where Bass Strait meets the bay, creating powerful tidal currents, nutrient upwellings, and exceptional marine biodiversity.

The park includes two of Melbourne's most iconic dive sites: Lonsdale Wall (also called Lonsdale Bommie) and Pope's Eye Marine Reserve. Both are boat-access only and require careful planning due to strong currents, but both offer world-class diving with abundant fish, kelp forests, sponge gardens, and resident Australian fur seals.

Port Phillip Heads Marine National Park is the most biodiverse marine protected area in Port Phillip Bay. The convergence of bay water and ocean water creates a unique environment where temperate reef species, pelagic fish, and even occasional subtropical visitors can be found. For advanced divers and freedivers, this is Melbourne's premier protected dive site.

Lonsdale Wall

Lonsdale Wall is a submerged reef that rises from the sandy seabed to within 5-6 metres of the surface, located near Point Lonsdale on the eastern side of the Heads. The wall is covered in kelp, sponges, and gorgonian fans, and it attracts dense schools of fish. Snapper, leatherjackets, wrasse, boarfish, and moonlighters cluster around the structure. The wall's vertical profile makes it excellent for freediving — you can descend along the wall to 15-20 metres, exploring overhangs and crevices filled with invertebrates.

Conditions at Lonsdale Wall are advanced. The site sits in strong tidal currents and is only diveable at slack tide (the brief period between tide changes when current is minimal). Visibility ranges from 5-10 metres, occasionally reaching 15 metres on excellent days. Boat access is required. For a full guide, see our Lonsdale Wall diving guide.

Pope's Eye

Pope's Eye is an uncompleted 1880s fort — a ring of massive bluestone blocks sitting in the water near the Heads. It's Victoria's first marine reserve (declared in 1979, predating the marine national park designation) and one of the most unusual dive sites in Australia. The inner basin is shallow (2-3 metres) and sheltered, making it accessible for snorkelers. The outer walls drop to 10-14 metres and support kelp forests, sponge gardens, and large fish.

A resident colony of 20-30 Australian fur seals lives at Pope's Eye, and they frequently swim with snorkelers and divers. The seals are curious, playful, and habituated to humans, making Pope's Eye one of the most reliable seal encounter sites in Victoria. Boat access is required. For a full guide, see our Pope's Eye diving guide.

What You'll See

• Fish: Snapper, leatherjackets, wrasse, boarfish, moonlighters, sweep, Australian salmon (occasionally)
• Seals: Australian fur seals (20-30 at Pope's Eye, occasional visitors at Lonsdale Wall)
• Kelp forests: Dense bull kelp and crayweed on the outer walls and reefs
• Invertebrates: Sponge gardens (orange, yellow, purple sponges), sea stars, nudibranchs, cuttlefish, octopus
• Pelagic species: Occasional Australian salmon, squid schools, eagle rays

Best For

Advanced freediving, seal encounters, kelp forest diving, sponge gardens, underwater photography. Port Phillip Heads Marine National Park is Melbourne's top protected dive site for experienced divers.

Access

Boat access only. Tours depart from Queenscliff and Sorrento. Private boats must understand tidal flows, currents, and weather conditions — this is not a beginner boating area. Lonsdale Wall and Pope's Eye are both within the marine national park boundaries.

Rules & Regulations

All marine sanctuaries and marine national parks in Victoria are governed by the same core rules: no fishing, no collecting, no removal of marine life. These rules are strictly enforced, and penalties for breaches are significant.

What Is Prohibited

• Fishing: All forms of fishing (rod and line, nets, traps) are prohibited.
• Spearfishing: Prohibited. You cannot enter a sanctuary with spearfishing equipment.
• Collecting: Removing shells (alive or dead), rocks, marine life, or any natural objects is prohibited.
• Touching or disturbing marine life: Do not handle, chase, or intentionally disturb marine animals. Observe from a respectful distance.
• Anchoring on reef: Anchoring directly on reef structures or seagrass beds is discouraged. Use sand patches or mooring buoys where available.

What Is Allowed

• Swimming, snorkeling, diving: All non-extractive water activities are permitted.
• Kayaking, paddleboarding: Allowed, provided you do not disturb wildlife or damage habitat.
• Photography and videography: Encouraged. Document what you see and share it.
• Educational and research activities: Scientific research is allowed with appropriate permits from Parks Victoria.
• Boating through sanctuaries: Transit is allowed, but you must not fish or anchor on sensitive habitat.

Penalties

Breaching marine sanctuary regulations is a criminal offence under Victoria's National Parks Act and Fisheries Act. Penalties can include:

• On-the-spot fines: Several hundred dollars for minor offences (fishing in a sanctuary, collecting shells)
• Court-imposed fines: Up to tens of thousands of dollars for serious breaches (repeat offences, commercial fishing in sanctuaries)
• Confiscation of equipment: Fishing gear, boats, and other equipment can be seized
• Criminal record: Serious offences can result in criminal convictions

Parks Victoria and Fisheries officers regularly patrol marine sanctuaries, and members of the public often report violations. Do not assume you can get away with fishing or collecting in a sanctuary — the risk is not worth it, and the damage to the ecosystem undermines the purpose of protection.

Why Sanctuaries Matter for Divers

Marine sanctuaries benefit divers in tangible, observable ways. The most obvious benefit is more fish — both in number and size. Research conducted in Victoria's marine sanctuaries shows that protected areas have significantly higher fish biomass (total weight of fish) and larger individual fish compared to unprotected areas. Species like snapper, which are heavily targeted by recreational and commercial fishing, grow noticeably larger inside sanctuaries.

But the benefits go beyond just more fish. Marine sanctuaries support healthier ecosystems, which means greater biodiversity, more natural behaviours, and more stable populations. Fish inside sanctuaries are less stressed, less wary of divers, and exhibit more natural feeding and spawning behaviours. Invertebrate communities are richer. Seagrass meadows are denser. The entire underwater environment is closer to what it would be without constant human harvest.

The Science of Sanctuary Success

Long-term monitoring of Victoria's marine sanctuaries has consistently shown positive outcomes:

• Fish abundance: Sanctuary sites have 2-5 times more fish than nearby unprotected areas, depending on the species and habitat.
• Fish size: Targeted species like snapper grow 20-50% larger in sanctuaries due to reduced fishing mortality.
• Biodiversity: Sanctuaries support greater species richness, with rare and shy species becoming more common over time.
• Spillover effect: Mature fish moving out of sanctuaries help replenish adjacent fished areas, benefiting fisheries in the long term.

These outcomes are well-documented and peer-reviewed. Marine sanctuaries work — not just for conservation, but for creating better diving and snorkeling experiences.

The Spillover Effect

One of the most important benefits of marine sanctuaries is the spillover effect. As fish populations inside sanctuaries grow and mature, individuals move out into surrounding waters, effectively reseeding nearby areas with larger, reproductively mature fish. This benefits fisheries by increasing the breeding stock and improving recruitment (the survival of juvenile fish to adulthood).

For divers, the spillover effect means that even areas just outside sanctuary boundaries benefit from protection. The healthier ecosystems inside sanctuaries radiate outward, improving conditions across the bay. Supporting marine sanctuaries is not just about protecting isolated pockets — it's about improving the health of the entire marine environment.

Snorkeling Access at Each Site

Not all marine sanctuaries are equally accessible for snorkeling. Here's a practical breakdown of each site's snorkeling suitability, ease of access, and facilities.

Ricketts Point Marine Sanctuary

• Access: Shore entry from beach via wooden stairs and rock platforms
• Ease: Very easy. Suitable for beginners and families.
• Depth: 1-4m (shallow and safe)
• Facilities: Toilets, café, change rooms, free parking, public transport access
• Best conditions: High tide, light northerly winds, summer and autumn
• Guided programs: Free guided snorkels every Saturday (Nov-Mar) via Marine Care Ricketts Point

Ricketts Point is Melbourne's most accessible marine sanctuary for snorkeling. If you're new to snorkeling or exploring sanctuaries for the first time, start here.

Jawbone Marine Sanctuary

• Access: Shore entry from beach, shallow rock platforms
• Ease: Easy, but limited marine life
• Depth: 1-3m (very shallow)
• Facilities: Toilets, picnic areas, free parking, public transport (train and ferry)
• Best conditions: Calm days with light southerly winds, high tide
• Guided programs: None regularly scheduled

Jawbone is easy to access but not particularly rewarding for snorkeling. Visit if you're in Williamstown and want a quick snorkel, but don't expect the diversity of Ricketts Point.

Point Cooke Marine Sanctuary

• Access: Shore entry requires wading across mudflats
• Ease: Difficult. Not suitable for casual snorkelers.
• Depth: 1-3m (very shallow, mostly seagrass)
• Facilities: Basic picnic areas, free parking. No change rooms or toilets nearby.
• Best conditions: High tide, calm weather (rarely ideal)
• Guided programs: None

Point Cooke is not a recreational snorkeling site. Visit only if you're specifically interested in seagrass ecosystems and have realistic expectations.

Port Phillip Heads Marine National Park (Lonsdale Wall, Pope's Eye)

• Access: Boat only (tours from Queenscliff and Sorrento)
• Ease: Moderate to advanced. Pope's Eye inner basin is beginner-friendly; Lonsdale Wall is advanced.
• Depth: Pope's Eye inner basin 2-3m, outer walls 10-14m; Lonsdale Wall 6-20m
• Facilities: Boat tours provide all gear (wetsuit, mask, snorkel, fins)
• Best conditions: Calm weather, slack tide (for Lonsdale Wall)
• Guided programs: All visits are via guided tour operators (Sea All, Moonraker, Polperro)

Port Phillip Heads is Melbourne's best marine protected dive site, but it requires a boat. Tours are professionally run and highly recommended.

Guided Programs

Several community groups and tour operators offer guided snorkeling and diving programs in Melbourne's marine sanctuaries. These programs are invaluable for learning about the marine environment, connecting with other divers, and contributing to citizen science.

Marine Care Ricketts Point

Marine Care Ricketts Point is a volunteer-run community group that has been organising free guided snorkels at Ricketts Point Marine Sanctuary since the early 2000s. Every Saturday from November to March (and occasionally into April), volunteers lead snorkeling groups through the sanctuary, pointing out marine life and explaining the ecology of the site.

These snorkels are open to everyone — no experience required, no booking needed, no cost. Just show up with your own snorkeling gear (mask, snorkel, fins, wetsuit) at 11:00 AM at the Ricketts Point Marine Discovery Centre, and the volunteers will take you out. It's one of the best ways to explore a marine sanctuary with knowledgeable guides who know the site intimately.

Marine Care Ricketts Point also runs education programs, reef surveys, and advocacy work to protect Port Phillip Bay's marine environment. If you dive at Ricketts Point regularly and want to give back, consider volunteering with the group.

Parks Victoria Guided Programs

Parks Victoria occasionally runs guided snorkel and dive programs at marine sanctuaries around Victoria, including Ricketts Point and Port Phillip Heads Marine National Park. These programs are typically run during summer and are advertised on the Parks Victoria website. They're free or low-cost and open to the public.

Parks Victoria also works with schools, universities, and community groups to deliver marine education programs. If you're part of a group interested in learning about marine sanctuaries, contact Parks Victoria to inquire about tailored programs.

Tour Operators (Port Phillip Heads)

For Pope's Eye and Lonsdale Wall (within Port Phillip Heads Marine National Park), guided tours are the only practical way to visit. The main operators are:

• Sea All Dolphin Swims (Sorrento) — seal and dolphin swim tours, including Pope's Eye
• Moonraker Dolphin Swims (Sorrento) — seal and dolphin tours, focus on sustainability
• Polperro Dolphin Swims (Sorrento) — marine wildlife tours with education focus
• Queenscliff-based operators — shorter transit to Pope's Eye, check local listings

All of these operators are licensed by Parks Victoria and follow strict wildlife interaction guidelines. Tours typically cost $150-200 per person and last 3-4 hours. Gear is provided. Bookings are essential, especially in summer.

School Programs

Many Melbourne schools run snorkeling excursions to Ricketts Point and Jawbone as part of marine science or outdoor education programs. If you're a teacher or parent looking to organise a school trip, Ricketts Point is the safest and most accessible option. Marine Care Ricketts Point can provide volunteer guides and educational materials.

Tips for Visiting Marine Sanctuaries

• Respect the rules: No fishing, no collecting, no disturbing marine life. Leave everything as you found it.
• Go slow: Marine life in sanctuaries is often less skittish, but it still requires patience to observe. Snorkel slowly, scan carefully, and give animals space.
• Use a weight belt: Even 1-2kg helps you stay slightly negative and makes duck-diving easier, allowing you to explore the reef more thoroughly without constantly fighting buoyancy.
• Bring an underwater camera: Document what you see. Photos help others understand the value of marine sanctuaries and build public support for protection.
• Join a guided snorkel: Marine Care Ricketts Point's free Saturday snorkels are an excellent way to learn about sanctuary ecosystems from experienced volunteers.
• Visit at high tide: Most Melbourne sanctuaries are shallow. High tide gives you more depth to explore and better coverage over reef structures.
• Check conditions: Wind, tide, and recent rainfall all affect visibility. Check the forecast and only go when conditions are favourable.
• Advocate for protection: Support marine conservation efforts by staying informed, sharing your experiences, and speaking up for stronger protection of Melbourne's marine environment.

Safety in Marine Sanctuaries

• Never snorkel alone: Always go with a buddy and stay within sight of each other.
• Wear a wetsuit: Even in summer, Port Phillip Bay water is cold (18-22°C in summer, 10-14°C in winter). Hypothermia is a real risk without neoprene.
• Watch for blue-ringed octopus: Present at all rocky reef sites in Melbourne. Do not put your hands under rocks or into crevices. Do not pick up shells or marine life. If you see a blue-ringed octopus, observe from a distance.
• Shuffle your feet: Smooth rays bury themselves in sand. Shuffle your feet when wading to avoid stepping on one.
• Use a dive float or SMB: Makes you visible to kayakers, paddleboarders, and boats (particularly at Pope's Eye and Lonsdale Wall).
• Know your limits: Sanctuaries are protected for conservation, but they're still wild ocean environments. If conditions look rough, don't go in.
• Respect wildlife: Seals, rays, and other animals are wild. Do not chase, corner, or touch them. Observe from a respectful distance and let them approach you on their terms.

The Future of Marine Sanctuaries in Melbourne

Melbourne's marine sanctuaries represent less than 5% of Port Phillip Bay's total area. While the existing sanctuaries are well-protected and showing positive results, marine conservation advocates argue that more protection is needed to ensure the long-term health of the bay's ecosystems.

Future expansions or new sanctuaries would likely focus on underrepresented habitat types — deep-water reefs, offshore seagrass meadows, or sections of the western shore where fishing pressure is high. The more protected habitat we have, the healthier the entire bay becomes. Divers can support this by advocating for marine protection, participating in reef surveys, and demonstrating the recreational and economic value of no-take sanctuaries.

Marine sanctuaries are not just conservation tools — they're investments in the future of Melbourne's marine environment. Every dive in a sanctuary is a reminder of what's possible when we prioritise long-term ecological health over short-term extraction.

Frequently Asked Questions

What are marine sanctuaries?

Marine sanctuaries are no-take zones where fishing, collecting, and removing any marine life is prohibited. They protect habitats and allow marine ecosystems to recover and thrive. You can swim, snorkel, dive, and observe freely, but all extractive activities are banned.

Which marine sanctuary is closest to Melbourne CBD?

Jawbone Marine Sanctuary in Williamstown is just 8km from the CBD, making it the closest marine sanctuary to Melbourne's city center. Ricketts Point Marine Sanctuary in Beaumaris is 20km from the CBD and offers better snorkeling conditions and richer marine life.

Can you snorkel in marine sanctuaries?

Yes, snorkeling, diving, and swimming are all permitted and encouraged in marine sanctuaries. Only extractive activities (fishing, collecting shells or animals, spearfishing) are prohibited. The protected marine life makes sanctuaries some of the best snorkeling sites in Melbourne.

Why do marine sanctuaries have more fish?

Without fishing pressure, fish populations grow larger and more abundant. Research shows marine sanctuaries in Victoria have significantly more and larger fish than unprotected areas. Snapper, wrasse, and other targeted species thrive in sanctuaries, creating richer ecosystems. This benefits divers with more natural, diverse underwater experiences.

Can you freedive in marine sanctuaries?

Yes, freediving is permitted and encouraged in all marine sanctuaries. Ricketts Point, Pope's Eye, and Lonsdale Wall are all excellent freediving sites with abundant marine life and varied depths.

Are there guided snorkels at marine sanctuaries?

Yes. Marine Care Ricketts Point runs free guided snorkels every Saturday from November to March at Ricketts Point Marine Sanctuary. For Port Phillip Heads Marine National Park (Pope's Eye and Lonsdale Wall), guided boat tours are available from Sorrento and Queenscliff.

What happens if you fish in a marine sanctuary?

Fishing in a marine sanctuary is a criminal offence under Victoria's National Parks Act. Penalties include on-the-spot fines (several hundred dollars), court-imposed fines (up to tens of thousands of dollars), confiscation of equipment, and potential criminal conviction. Sanctuaries are regularly patrolled by Parks Victoria and Fisheries officers.