|Koh Bida Nok / Koh Bida Nai
At the West side of Koh Lanta direction to Phi Phi Island chain lie two small rocky islands; Koh Bida Nok and Koh Bida Nai, both of which provide excellent and varied diving suitable for beginners and experienced divers. There are shallow reefs and steep walls, with depths from 8-28m. Leopard sharks are often seen on these sites, usually resting in the sand, but sometimes swimming - a beautiful sight.
Colourful soft corals are mixed with hard coral reefs where moray eels and scorpionfish hide. At Koh Bida Nai there is a beautiful archway filled with tiny baitfish which leads to a shallow hard coral garden. Bida Nok has several swimthroughs of the West side where you find a complex jumble of giant boulders. Turtles are occasionally seen on this reef.