Hin Bida
Overview
Hin Bida is a submerged limestone pinnacle rising from the sandy seabed about two kilometres south of Phi Phi Leh, consistently ranking among the best dive sites in the Krabi region. The pinnacle tops out at around five metres and drops to a sandy bottom at 25 to 28 metres, with walls coated in some of the healthiest soft coral growth in the Andaman Sea. What it lacks in size it compensates for with remarkable concentration of marine life. The first thing most divers notice is the colour. The walls are blanketed in dendronephthya soft corals in shades of purple, orange, pink, and white, their delicate branches fully extended in the current. Sea fans spread across the rock in broad panels, barrel sponges anchor in crevices, and the overall effect is of an underwater garden in perpetual bloom. Shark encounters are the other major draw. Leopard sharks rest on sandy patches around the pinnacle base, their spotted bodies lying flat as they pump water over their gills. They are tolerant of divers who approach slowly, and photographing one at Hin Bida has become a rite of passage for Phi Phi divers. Blacktip reef sharks patrol the shallows near the summit, their dark-tipped fins slicing through the water. At night, bamboo sharks emerge to hunt across the reef surface. The supporting cast is equally impressive. Banded sea kraits undulate through the water column in striking black and white. Cuttlefish hover beside the coral, changing colour in hypnotic pulses. Moray eels poke from holes, and lionfish hang beneath overhangs with venomous fins fanned wide. In the smaller nooks, patient macro hunters find seahorses, nudibranchs, and shrimp species that reward close examination. Hin Bida works on every level, from wide-angle drama to macro detail, leaving you wanting to dive it again before the safety stop is even finished.
Marine life
Dive profile
DEPTH PROFILE
DEPTH PROGRESSION & WAYPOINTS: Hin Bida
Location
Frequently asked questions
How likely am I to see leopard sharks at Hin Bida?
Leopard shark sightings at Hin Bida are common during the diving season from November through April, with early morning dives offering the best chances. The sharks rest on the sandy patches around the base of the pinnacle at around 20 to 28 metres, sometimes in groups of two or three. They are generally docile and will remain on the bottom if approached slowly and calmly. Late in the season from March to April, sightings become slightly less frequent as water temperatures rise.
Is Hin Bida suitable for beginner divers?
Hin Bida is best suited for divers with at least Advanced Open Water certification or significant Open Water experience. The pinnacle drops to 28 metres and currents can be moderate, particularly around the exposed sides. There is no shallow reef to retreat to if conditions pick up. Most operators classify it as an intermediate site, and it is commonly offered as part of a Phi Phi diving day trip that includes a shallower site for less experienced divers.
What is the best time of day to dive Hin Bida?
Early morning dives tend to be the most productive. Leopard sharks are more likely to be resting on the sand before the water warms up, blacktip reef sharks are more active at dawn, and the site is less busy with other dive boats. Afternoon dives can be excellent for soft coral photography when the sun angle illuminates the west-facing slopes of the pinnacle. Night dives, offered by some operators, reveal bamboo sharks, hunting octopus, and a completely different cast of nocturnal critters.
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Data Provenance
This profile is compiled from 3 operator submissions and 142 community logs. Key facts (depth, entry) are verified against official hydrographic charts.