Phi Phi Islands Thailand Diving Sites

Koh Phi Phi Diving Site – Koh Bida Nok

Koh Bida Nok - Koh Phi Phi Diving Site
Koh Bida Nok Island

Koh Phi Phi Diving Sites – One of two islands lying south of Phi Phi Ley, with a small protected bay, Bida Nok is a scuba diving heaven. In the east facing bay, you will find a flat area free of any debris, which is ideal for beginners doing their first ever dive. It’s very shallow and calm with a huge sandy area.

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  • Max depth: 30 meters
  • Level of difficulty: Absolute beginner/ upwards
  • Visibility: 15 meters
  • Current: Weak to moderate.
  • Recommended season: All year round is possible
  • Highly recommended Koh Phi Phi Diving site!


Stag horn coral covering the bottom surrounds this area and leads out to large boulders. With each fin kick, it drops deeper and deeper, a great wall dive on the south side waits. There may be some current here making it a fantastic drift dive too.

You could do your whole Advance Course on this one site, it has almost everything. It is possible to drop down to 30 meters, if necessary -Technical divers have been seen practising their skills here to. Here, you will find some huge boulders, and if you have good visibility, you can see the Tunas and Trevally’s hunting out in the blue, the action here never stops.

There is an ever increasing population of Yellow Snapper, the numbers are countless. And when they pass you, it is such a marvellous site, that it has been known to bring a tear even to the most hardened diver, simply stunning.

There are several small caverns to explore on the south west part of the island; also here, it is very possible to see Black Tip Reef Sharks. There is also a couple of very large Barracuda lurking, so get the camera ready.

Dive the other side of the island and you will have a shallower dive, which is no less beautiful. The North side of the Island is around twenty meters deep -maximum. After that the reef just falls away into the sand.

Out here is where the most leopards Shark sightings are; also numerous Blue Spotted Stingrays lay in wait for unsuspecting prey. Cuttlefish and squid can be seen here looking for food and adventure and a possible mate.

Also in the area, there is a couple of resident Hawksbill Turtles, who knows how old they are or how long they have been around. Black and White Coral banded Sea Snakes are always worth watching, while they skirt around looking for a tasty bite.

Further towards the latter part of the dive site, there is a huge over hang with massive Gorgonian Sea fans. Keep your eyes peeled for Pipefish in this area.

Marine life usually seen on this dive site include Leopard Shark sightings, as mentioned Black Tip Reef Sharks, Great Barracuda, King Mackerel, Dogtooth Tuna, Trevallies both Blue Fin, Silver and sometimes Giant Trevally’s.

Also large Groupers, Bearded and Raggy Scorpion Fish as well as the occasional Stone Fish: There are Titan Trigger fish, Blue Ringed Angel Fish, Lionfish, Morays, Puffer fish and of course plenty of Blennies.

Special features: there are a few small caverns to explore and some large boulders. If the current is running your way you can make it around this island, making an intriguing dive, one of the best in the area.

Quick tip: venture around to the south side move away from the wall out towards the big boulders and hover around 18m 60ft for a short while and you’re sure to see some King Mackerel, Tuna, Trevallies, Leopard Sharks are also seen cruising here.

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