Palau

Palau is what happens when 340 limestone and coral islands are scattered across the western Pacific with some of the most pristine marine ecosystems left on Earth. The Rock Islands Southern Lagoon, a UNESCO World Heritage Site, is a surreal seascape of mushroom-shaped limestone islets rising from impossibly blue water, surrounded by reefs so healthy they look like a nature documentary come to life. Divers come from around the world for the Blue Corner wall dive, where currents bring in sharks, manta rays, and enormous schools of fish.

But Palau is not just a dive destination - it is a conservation leader. In 2009, it created the world's first national shark sanctuary, banning all commercial shark fishing across its waters. In 2015, it established one of the largest marine protected areas on Earth, covering 80% of its exclusive economic zone. And since 2017, every visitor's passport gets stamped with the Palau Pledge, a promise to act responsibly and protect the islands for future generations. With only about 18,000 people, Palau punches far above its weight in showing the world what ocean stewardship can look like.