The typically inconspicuous giant Australian cuttlefish puts on a spicy performance during mating season 

More than 30 years of marine conservation work led PADI Pro Carl Charter to shift his focus to what really matters: marine education, and creating opportunities for everyone to experience the beauty and wonder of the ocean.

The conservationist secured local government grants to tackle marine pollution locally and championed a Hope Spot at Fish Rock, one of her favorite dive sites—all at age 15.

These are the best sites, hidden drops and seasonal experiences in the Philippines, Cayman Islands and Australia.

This UNESCO World Heritage reef has the world’s largest whale shark aggregation and is home to one of the world’s best shore dives.

Created by artists and engineers, Wonder Reef’s nine spiral flute structures form a floating reef off the coast of Queensland.

Sharks, whales, manta rays and other pelagic delights abound from the Bahamas to Australia.

The *Lady Musgrave Experience*, a new liveaboard pontoon in Australia, gives divers and snorkelers a week of exploring and sleeping on the reef.

Spreading around the world from Australia, these 3D panels help restore marine habitats damaged by shoreline development.