This dive site is one of Perth's most famous and sought-after dives, renowned for its incredible limestone topography. It features a large network of caves, swim-throughs, and ledges forming a complex maze for divers to explore. The dramatic structures and resident marine life make it a premier destination for underwater photography.
Gemini
Spectacular limestone caves, swim-throughs, and ledges for advanced divers.
Boat Access
20m Avg Depth
25m Max Depth
About this dive site
DivingFreediving
Site Ratings
Big Marine Life Fair
Macro Marine Life Very Good
Landscape Quality Excellent
Water Visibility Very Good Viz
Plan Your Visit
cavernswim-throughadvanced onlywide anglerocky reefcrayfishaustraliaperth
Marine Life
Samson Fish
Nudibranch
Soft Coral
Western Blue Devil
Harlequin Fish
Western Rock Lobster
Things to Note
Difficulty:
Advanced
Deep profile and extensive overhead environments require excellent buoyancy and navigation.
Hazards:
depthoverhead environmentcurrentboat traffic
Current Strength:
Variable
Nearby Dive Sites
Explore other dive sites in the area
Australia, Perth Not in marine park
Shallow shore dive famous for its leafy seadragons.
Australia, Perth Marmion Marine Park
Limestone pinnacle with caves, swim-throughs, and diverse marine life.
Australia, Perth Rottnest Island Marine Reserve
Limestone reef with spectacular caves and swim-throughs off Perth.