seagypsydivers.com · Dive Operator
Boat access from Krabi region and site profile around Phi Phi dive trips.
Dive Spot Guide•
Koh Bida Nok
Boat dive on Phi Phi's outer limestone reef with sharks and macro life.
ScubaBoat EntryIntermediate
ReefWall
Koh Bida Nok is an exposed boat dive off Phi Phi where a sloping reef wraps into a wall and boulder terrain known for mixed reef life, predators, and regular current.
About Koh Bida Nok
Koh Bida Nok is a limestone island reef and wall dive off Phi Phi with a sloping outer reef, coral-covered rock, and a fish-rich southwest side. Divers commonly work the wall and boulder contours looking for cruising sharks, turtles, barracuda, octopus, morays, and frequent macro life tucked into the reef.
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Research Estimate At Koh Bida Nok
Conservative baseline from public research. No community dives logged yet.
VisibilityVisibility: 15m
AccessModerate entry effort
Coral HealthHealthy coral
Marine LifeGreat variety
Current StrengthLight current
Where Is Koh Bida Nok?
This spotNearby spots
Community sourced coordinates.
Koh Bida Nok Planning Details
Depth range, seasonality, and planning context.
Reported Depth
5m - 30m
Depth Note
Public dive guides commonly describe Koh Bida Nok from about 5-6 m down to roughly 28-30 m, with the southwest wall holding the deeper profile.
Best Season
The calmer and clearer period is usually the northeast monsoon season from roughly November to April. Southwest monsoon months can bring more surface chop and softer visibility.
Typical Conditions
Most dives are run from day boats in generally mild to moderate current, with fish activity increasing along the exposed outside edge. Visibility often sits in the low-to-mid teens in ordinary conditions and improves on calmer dry-season days.
Safety & Access At Koh Bida Nok
Hazards, restrictions, and access requirements.
Safety Notes
This is an outer-island boat dive with changing current around the wall and busy live-boat traffic on popular Phi Phi runs. Follow the guide's descent and route plan, and use normal caution around coral and rock ledges.
Local Intel For Koh Bida Nok
Community notes to help plan your visit.
Scuba
Most routes start on the shallower reef around 5 m and work into the 20s, with the southwest wall, coral ledges, and boulder sections often holding the strongest fish action.
Koh Bida Nok Dive Conditions Planner
Use the planner to scan this week, inspect today in local time, and understand how exposure shapes conditions at Koh Bida Nok.
Current Snapshot
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🌥️Variable
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Surface / Entry
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Sea State
Swell No data · Period unavailable
Visibility Outlook
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Exposure Profile at Koh Bida Nok
Directional shelter context for incoming swell.
Exposure Note
Hourly forecast data is not available yet.
Wildlife at Koh Bida Nok
Species commonly reported at this site, with direct links into their wildlife guides.
Recent Logged Visits At Koh Bida Nok
Community dive logs and visit reports for this site.
No Dive Logs Yet
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Dive Spot Log Averages At Koh Bida Nok
Average conditions based on logged dives & visits.
Conditions
Avg. Visibility15m
Activity
No dive activity logged yet.
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Koh Bida Nok Guide - Frequently Asked Questions
Planning answers for access, conditions, timing, and site logistics.
Koh Bida Nok Guide - Sources and Updates
Last Updated
Research Sources
twoguysphiphi.com · Dive Operator
Site terrain, current, and marine life notes for Koh Bida Nok.
www.diveboard.com · Community Logbook
Community depth and visibility ranges aligned with operator descriptions.
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