Ko Hu Chuang and its nearby neighbour, Ko Klung Bandan, are two smaller islands just south of Ko Phai which offer themselves as a beautiful coral dive in combination with a wreck dive on the Khram wreck. This area is marked by an abundance of Jorunna funebris nudibranchs with their white alabaster-like bodies.

As usual they always go hand-in-hand with the blue sponges (Neopetrisia sp.) which are their main food source. One thing which really strikes at Ko Hu Chang are the exotic shapes of many of the sponges and coral formations with unusual overhangs and bridge-like structures.