Koh Bida Nok and Koh Bida Nai are the southernmost islets of the Phi Phi Islands. These simple limestone rocks rise from the Andaman Sea some 1.5 km south of Koh Phi Phi Leh. While they lack landing access, the Bida Islands’ claim to fame is the splendid diving opportunities on offer.

Koh Bida Nok & Koh Bida Nai - one of the highlights of 5 Best Islands Around Phi Phi (Read all about Ko Phi Phi here)

Highlights of Koh Bida Nok

Koh Bida Nok is the largest of the 2 islets, offering excellent diving conditions for just about any skill level. Divers usually enter the water on its eastern side and steadily move south around the rock. It's home to a large variety of marine life, with zebra sharks and stingrays lying on the sand.

The northern side of Koh Bida Nok is great for wall diving. There's also a cave which should only be explored by those who have significant experience and knowledge in cave-diving techniques.

Highlights of Koh Bida Nai

Koh Bida Nai is also one of the best spots for diving in Koh Phi Phi. Huge slabs of rock, which have fallen from the cliff in the past, give divers thrilling swim-through opportunities, with good chances of spotting nudibranchs crawling on the rocks.

Unlike Bida Nok however, Koh Bida Nai is suitable for snorkelling thanks to the rather shallow depth on its eastern side.

Koh Bida Nok & Koh Bida Nai

Stephan Audiger | Compulsive Traveler

This article includes opinions of the Go Guides editorial team. Hotels.com compensates authors for their writing appearing on this site; such compensation may include travel and other costs.

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Where to stay in Ko Phi Phi

Exterior
SAii Phi Phi Island Village
9.0 out of 10, (1000)
The price is CA $454
per night
CA $539 total
includes taxes & fees
SAii Phi Phi Island Village
On the beach, white sand, beach towels, scuba diving
Phi Phi Holiday Resort
8.4 out of 10, (677)
The price is CA $315
per night
CA $374 total
includes taxes & fees
Phi Phi Holiday Resort
Front of property
Asura
8.8 out of 10, (39)
The price is CA $140
per night
CA $167 total
includes taxes & fees
Asura
Exterior
Phi Phi Relax Beach Resort
8.2 out of 10, (547)
The price is CA $182
per night
CA $241 total
includes taxes & fees
Phi Phi Relax Beach Resort
Outdoor pool, sun loungers
Coco Cape Lanta Resort
8.4 out of 10, (28)
The price is CA $130
per night
CA $169 total
includes taxes & fees
Coco Cape Lanta Resort
Balcony view
Royal Lanta Resort & Spa
8.2 out of 10, (253)
The price is CA $136
per night
CA $162 total
includes taxes & fees
Royal Lanta Resort & Spa
Outdoor pool, pool umbrellas, sun loungers
Phi Phi Natural Resort
8.0 out of 10, (210)
The price is CA $116
per night
CA $138 total
includes taxes & fees
Phi Phi Natural Resort
Beach/ocean view
Phi Phi The Beach Resort
8.2 out of 10, (909)
The price is CA $255
per night
CA $302 total
includes taxes & fees
Phi Phi The Beach Resort
Exterior
Koh Jum Ocean Beach Resort
9.0 out of 10, (38)
The price is CA $122
per night
CA $163 total
includes taxes & fees
Koh Jum Ocean Beach Resort
2 outdoor pools
Avani+ Koh Lanta Krabi Resort
8.6 out of 10, (689)
The price is CA $646
per night
CA $766 total
includes taxes & fees
Avani+ Koh Lanta Krabi Resort

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