Dennis Bakhuis

Dive site · sea · Phi Phi, Koh Haa and the southern Andaman pinnacles

🇹🇭 Koh Bida Nai

Phi Phi, Krabi, Thailand

The inner Bida islet, with a small cavern, a coral-covered ridge and more shelter than its neighbour.

Dives here
1
Deepest
20.3 m
Water
salt
First · last
2013

Revision 1 · changed 10 Oct 2026

History
  1. r1 10 Oct 2026 Imported from the personal log · Dennis Bakhuis

Site data © divelog-sites contributors (ODbL), descriptions and maps CC BY-SA 4.0 · 53edcaf

1 map

Hard coral garden↓14 mStaghorn and sandKoh Bida Nai↓25 mMooringArchway swim-through (glassfish)↓8 mBoulder↓5 mBoulder base↓12 mSouth point↓10 mMooring, Fantasy ReefFantasy Reef↓14 mFantasy Reef↓16 mFantasy Reef↓16 mSand↓24 mEast drop-off, sand and bommies↓15 mReef↓10 mReef base↓22 mMooringN20 m
  • Buoy
  • Point of interest
  • Marker
  • Pinnacle / rock
  • Shoreline
  • Depth contour
  • Coral / reef
  • Other area
  • Depth
Site map · 6 objects · max 25 m

Koh Bida Nai, the inner of the two Bida limestone islets 2 km south of Phi Phi Leh, with Bida Nok 150 m to the south; coastlines from OpenStreetMap. Moorings, the archway swim-through, the three pinnacles of Fantasy Reef and the depths; descriptions from Phuket Dive Guide: the dive usually starts at the southern mooring, goes through the glassfish archway into a shallow hard-coral garden and on over sand and staghorn to Fantasy Reef, with a sloping drop-off of 7-25 m on the east side. Positions are approximate.

Map © divelog-sites contributors, CC BY-SA 4.0 · 53edcaf

Koh Bida Nai — inner Bida — is the smaller and closer of the pair, a few hundred metres from Bida Nok. Same limestone, same wall structure, but with a sheltered bay on its eastern side, a small cavern at about 8 m, and a ridge running out south covered in soft coral.

Dived 27 November 2013 to 20.3 m, immediately after Bida Nok.

Dived here with

Kim

Nearby sites

1 dive at Koh Bida Nai

  1. 27 Nov 2013 with Kim boat date27 Nov 2013 depth20.3 m time52 min water—