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Agincourt Reefs

Agincourt Reefs, sitting right on the continental shelf edge, feels like a window into the Coral Sea. We love the sheer energy here, it’s often where the ocean really feels alive. You’re typically diving patch reefs, but they’re packed with Staghorn corals, growing in dense thickets that buzz with tiny Blue Green Chromis. Visibility can swing, 10m on an off day, but we’ve had 30m days where you can see the whole reef structure from the surface. Down below, keep an eye out for Foxface and those massive Orange-socket Surgeonfish cruising the reef top. The main event for us, though, is the sheer density of life in the shallows, especially if you catch it on an incoming tide. You get schools of fusiliers so thick they almost blot out the sun, and the chance of a False Killer Whale passing through isn't as rare as you’d think. This isn't a deep dive, maxing out at 16m, which means plenty of bottom time and lots of light penetration, making the colours really pop. It’s a site that rewards slow, observant diving.