This dive site features a stunning limestone reef system honeycombed with caves, ledges, and swim-throughs. The clear, shallow waters host a rich diversity of temperate marine life, including the iconic Western Blue Devil and large crayfish. It is an excellent site for photographers and for exploring unique underwater topography in calm conditions.
Little Armstrong Bay
Shallow bay with spectacular limestone caves and swim-throughs.
Boat Access
6m Avg Depth
10m Max Depth
About this dive site
DivingFreedivingSnorkeling
Site Ratings
Big Marine Life Good
Macro Marine Life Very Good
Landscape Quality Excellent
Water Visibility Very Good Viz
Plan Your Visit
limestone reefcavernswim-throughbeginner friendlymacro photographywide anglesharkturtleaustraliaperth
Marine Life
Western Blue Devil
Australian Sea Lion
Western Rock Lobster
Boxfish
Sea Chub
Crayfish
Port Jackson Shark
Soft Gingerbread Hem Star
Harlequin Fish
Sponge- Wwobbegong-shark
Things to Note
Difficulty:
Beginner
Shallow, protected bay with clear water and minimal currents, ideal for training and new divers.
Hazards:
boat traffic
Current Strength:
Mild
Nearby Dive Sites
Explore other dive sites in the area
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