Dragon’s Lair is a classic reef dive site located off the southern Victorian coast just outside Port Phillip Bay, typically accessed by boat.

  • Type: Reef dive

  • Access: Boat only 

  • Location: -33.99097, 151.25560

  • Depth range: Approximately 12–18 m — suitable for Open Water divers and above.

This site is known for its rock and reef structures that create nooks and crannies attracting local marine life. While conditions can be influenced by tidal flows (ebb and flood), the reef holds a variety of reef fish and invertebrates.

One of the big draws at Dragon’s Lair — and why it’s popular among local dive groups — is the chance to encounter weedy seadragons in their natural habitat. These uniquely Australian critters blend into the seaweed-covered reef and are a highlight for underwater photographers and marine life enthusiasts alike. Other marine commonly encountered are crayfish, Blue Devils, Weedy Sea Dragons,

Visibility and surge can vary on the day, so planning dives with local operators or dive clubs familiar with conditions around Port Phillip Heads is recommended.

Overall, Dragon’s Lair is a rewarding temperate reef dive with its own character — a great mix of reef structure and marine life just a short boat ride from Melbourne’s dive community.

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