This dive site, known as the Tachai Pinnacle, is a captivating rocky formation characterized by numerous large boulders. Divers navigate around and through crevices, which are richly adorned with vibrant gorgonians and powerful fan corals. While no specific history or story is provided, its natural structure creates an ideal environment for diverse marine life, making it a prominent feature of the Andaman Sea's underwater landscape.
The site is renowned for its incredible density of fish schools, creating spectacular wide-angle photographic opportunities. It is a prime location for encountering large pelagic species, with sightings of manta rays and whale sharks being possible. Large shoals of barracuda have been a consistent presence for many years, and schools of batfish are a common sight, adding to the dynamic marine ecosystem.
The best time to visit Koh Tachai typically aligns with the Similan Islands season, from November to April, when weather conditions are generally stable and marine life is abundant. While suitable for scuba divers of all levels due to its average depth, intermediate divers will particularly appreciate the potential for variable currents and exciting pelagic encounters. Snorkelers and freedivers can also enjoy the rich shallow areas and vibrant fish life.
