Ningaloo Reef

Diving here is unusually low-friction. The reef runs close in along the coast, so day boats leave Exmouth or Coral Bay in the morning, reach a site in minutes rather than hours, and are often back before the afternoon sea breeze gets up, which makes an early start matter more than it does on the east coast. Shore entries exist as well, though the honest picture is that the lagoon inside the reef is shallow and mostly rewards snorkelling, while most sites worth a tank are reached by boat or from a handful of specific access points.

Three settings sit side by side. Inside the reef is a wide sand-and-bommie lagoon, calm and bright, where turtles graze and isolated coral heads stand on white sand. The reef edge is cut by channels where water moves in and out with the tide, and that is where the cleaning stations are and where drifts get run. North of Exmouth, around the cape and out at the Muiron Islands, the ground changes again into limestone ledges, overhangs and sponge-covered rock that behave nothing like the coral further south.

The whale shark season is run as a snorkel operation rather than a dive: spotter aircraft locate the animals, the boat drops swimmers ahead of one, and the group swims alongside until it goes deep or the turn ends. The humpback swims later in the year are licensed much the same way, and Coral Bay generally runs its manta encounters as snorkel tours too. On scuba, the equivalent set piece is a manta cleaning station, where you settle on the sand beside a coral head and wait while rays circle in and hold over it, occasionally several at once, close enough that the trick is staying still.

It suits divers who want easy conditions and large animals without deep or demanding profiles, and it works unusually well for mixed groups, since a snorkeller sees a fair share of what a diver does here. That extends to anyone travelling with children or non-divers, because the beaches and Cape Range National Park behind them are part of the trip rather than filler. Divers chasing dense hard-coral scenery or serious wreck diving will find the ratio wrong; the interest at Ningaloo is what swims past, and the reef is the backdrop.