Ko Bida Nai
Thailand / Phi Phi Don
Ko Bida Nai is a reef diving dive site lead in Phi Phi Don, Thailand. The reference depth is 6-18 m, entry is usually by boat dive, and the planning level is OW and above. The source card points to a profile suited to reef diving, so WhereDive treats it as a planning lead rather than a fully surveyed site record. Confirm tide, visibility, and guide briefing before adding it to an itinerary.
Recommended level
OW
Recommended dives
10+
Max depth
18 m
Average depth
12 m
Current
Mild
Visibility
10-28 m
Water temperature
27-30°C
Best months
Jan, Feb, Mar, Apr, May, Nov, Dec
Best for
Highlights
- • Phi Phi Don dive-site lead for reef diving
- • Reference depth: 6-18 m
- • Entry: boat dive
- • Recommended months: Jan, Feb, Mar, Apr, May, Nov, Dec
- • Likely highlights: coral gardens
What this page helps you answer
If you are comparing Ko Bida Nai by depth, current, visibility, diver level, and itinerary fit, this page gives a faster planning summary than a simple site name list.
Marine life
Dive types
Safety notes
- • Plan conservatively around the 6-18 m reference depth and stay within certification limits.
- • Treat current as mild, but follow tide, captain, and guide briefings on the day.
- • boat dive requires confirming entry, exit, and backup procedures before the dive.
- • This record is reference-derived; verify depth, visibility, and suitability with a local operator before diving.
- • Entry type: Boat.
- • Adjust depth and route based on local guide judgment.
Map and coordinates
Ko Bida Nai
7.760, 98.765
Continue with related pages
Phi Phi Don destination guide
Review Phi Phi Don by season, diver level, and signature sites before deciding where Ko Bida Nai fits in the trip.
Phi Phi Don dive sites
Compare Ko Bida Nai with other Phi Phi Don dive sites by current, depth, and best months.
Beginner-friendly dive sites
If you still need an OW-friendlier shortlist, this topic page is a quicker starting point.
Nearby dive sites
Hin Bida
Thailand / Phi Phi Don
- Max depth
- 18 m
- Best months
- Jan, Feb, Mar, Apr, May, Nov, Dec
- • Phi Phi Don dive-site lead for reef diving and macro photography
- • Reference depth: 6-18 m
Ko Bida Nok
Thailand / Phi Phi Don
- Max depth
- 30 m
- Best months
- Jan, Feb, Mar, Apr, May, Nov, Dec
- • Phi Phi Don dive-site lead for reef diving
- • Reference depth: 1-30 m
Loh Samah Bay
Thailand / Phi Phi Don
- Max depth
- 18 m
- Best months
- Jan, Feb, Mar, Apr, May, Nov, Dec
- • Phi Phi Don dive-site lead for reef diving and macro photography
- • Reference depth: 6-18 m
FAQ
Is this dive site suitable for OW divers? +
Ko Bida Nai is relatively suitable for OW divers, but conditions and guide decisions still matter.
What are the best months to dive here? +
The recommended months for Ko Bida Nai are Jan, Feb, Mar, Apr, May, Nov, Dec. Confirm current local conditions before booking.
Is the current strong here? +
The current rating is Mild. Tide and operator judgment should guide the final decision.
What marine life can be seen? +
Common highlights include coral.