Off the coast of Kadavu, in the Southern Islands, the Great Astrolabe Reef stands out as the world's fourth-largest barrier reef. The reef boasts an extensive range of unspoiled coral gardens and breathtaking underwater scenery, including swim-throughs and caverns. Visitors to the reef will be pleased with the high concentration of manta rays and over 1000 species of fish, making it a unique spot for diving and snorkelling enthusiasts. Show more