Which destination is best for coral reefs?

The Coral Triangle (Indonesia, Philippines, Solomon Islands) holds the densest coral biodiversity on Earth — over 75% of all known hard coral species in a single region.

If healthy, biodiverse coral reefs are your main interest, four destinations stand out globally — three in the Coral Triangle (the Indo-Pacific epicenter of marine biodiversity) and one slightly outside it.

Raja Ampat, Indonesia. The undisputed king. Located at the geographic center of the Coral Triangle, Raja Ampat has documented over 600 species of hard coral (more than 75% of all known species worldwide) plus 1,700+ species of reef fish. Sites like Cape Kri (the world record holder for most fish species seen on a single dive — 374), Sardine Reef, Mioskon and Boo Window combine pristine coral coverage with massive schooling fish, mantas, sharks and macro life. The far north (Wayag, Aljui Bay) is even more remote and pristine. Best months: October to April. Liveaboards from Sorong are the only practical access.

Tubbataha, Philippines. A UNESCO World Heritage site and the Philippines' most spectacular reef. Two atolls (north and south Tubbataha) plus Jessie Beazley Reef in the middle of the Sulu Sea. Pristine reef walls drop to 2,000m, with massive schools of jacks, hammerheads patrolling the corners, manta rays at Shark Airport, and turtles everywhere. Strict access — only March to June, only by liveaboard from Puerto Princesa, only ~14 weeks of operating season per year. Premium pricing reflects the controlled access.

Ningaloo Reef, Western Australia. Often called 'the world's largest fringing reef,' Ningaloo runs along Australia's west coast with whale shark and humpback whale aggregations during specific seasons (March–July for whale sharks, July–October for humpbacks). Less coral diversity than Indonesia but a unique combination of healthy reef plus massive megafauna.