Koh Bida Nok & Koh Bida Nai are the two southernmost islets of the Phi Phi group of islands. Simple limestone rocks rising from the Andaman Sea some 1.5km south of Koh Phi Phi Leh, the Bida islands’ only claim to fame is the splendid diving opportunities they offer, as they do not have any landing access.
Koh Bida Nok is the largest of the two, and is open to all level of diver. Divers usually enter the water on its eastern side and steadily move south around the rock. It is home to a large variety of marine life and is especially renowned for its zebra sharks and stingrays lying on the sand. The northern side of Koh Bida Nok features great wall diving opportunities as well as a cave that can be explored only by those who have the experience and knowledge in cave diving techniques.
Similar to its sister-island, Koh Bida Nai also offers memorable diving experiences. Huge slices of rock fallen from the cliff ages ago give divers thrilling swim-through opportunities, with good chances to spot nudibranchs crawling on the rocks. Unlike Bida Nok, Koh Bida Nai can also be visited by snorkelers as its eastern side is shallow enough to enjoy this activity.
Location: Phi Phi Islands, Muang Krabi District, Krabi 81210 Thailand