This dive site, Ao Nui, is a popular spot frequently visited by local operators and dive centers from Krabi. It features an interesting underwater topography including a reef slope, a rocky floor, and a distinct mini wall, creating varied habitats. The site is known for its generally good visibility and typically mild currents, making it a comfortable and enjoyable experience for divers of all skill levels.
The marine life at Ao Nui is vibrant and diverse, showcasing beautiful soft and hard corals, notably including large sea fans and delicate black corals. Divers can expect to encounter a wide array of reef fish, along with moray eels, pufferfish, and boxfish. For those with a keen eye for macro life, the site is particularly rewarding, offering opportunities to spot nudibranchs, seahorses, and elusive ghost pipefish.
Ao Nui is suitable for diving throughout the year, with the peak season generally aligning with Thailand's dry season from November to April, offering the best conditions. Its accessible depth and calm conditions also make it an excellent location for both snorkeling and freediving, allowing non-scuba divers to enjoy the rich marine ecosystem and colorful corals from the surface.

