Ningaloo Reef is one of the few major coral reefs on Earth where you can snorkel straight from the beach. Along Western Australia's North West Cape, the reef hugs an arid coastline inside the Ningaloo Coast World Heritage Area, so you can hike limestone gorges in the morning and drift over coral gardens in the afternoon. Base yourself in Exmouth for whale shark season (roughly March to July), humpback whale encounters later in the year, and the iconic Exmouth Navy Pier dive. Stay in Coral Bay for the simplest in-water logistics: sheltered lagoon snorkeling, manta rays, and small-boat tours to reefs like Five Fingers. Ningaloo is remote, sun-exposed, and tide-driven, so conditions and safety are part of the adventure. Follow sanctuary zone rules, use public moorings instead of anchoring on coral, and only join megafauna swims with licensed operators.