Koh Ngam Yai has similar features to Koh Ngam Noi with twice larger size, as the island is made of limestone, surrounded by high cliffs and rocks not beaches, and also permitted to collect bird-nest.
The underwater world at Koh Ngam Yai attracts divers to visit colorful corals, reefs, and varying fish. It is known as one of the most famous scuba diving spot in the Gulf of Thailand.
Adventurous travelers enjoy taking diving classes at Koh Ngam Yai and Koh Ngam Noi. The deepwater around Koh Ngam Yai reserve the nature to its nearly original beauty.
Divers will be amazed by antler-like corals (Acropora sp.), plate-like corals, brain-like corals (Porites lucea), sea anemone, and varying colorful fish. March-May is the perfect season for diving.
Koh Ngam Yai
Location: Tak Daet, Chumphon 86000 Thailand