Operator page with depth, coral, shark, and access context.
Thailand · Koh Lanta · Koh Phi Phi (Phi Phi Islands) · Krabi (Ao Nang and Railay)
Phi Phi reef dive with leopard sharks, coral fingers, and current.
Phi Phi reef dive with leopard sharks, coral fingers, and current.
Boat access and current timing make local operator planning the normal way to dive it.
Hin Bida Reef is a Phi Phi boat dive built around a rounded reef with shark-filled sand patches and coral-covered fingers around the main rock. Divers come here for leopard sharks, blacktip reef sharks, and other reef life rather than for a simple drift or wall profile. The site is best treated as a current-sensitive reef circuit where the shallow top and outer fringes set the plan.
Site Conditions
Safety Notes
Plan around current, keep the team tight on the reef, and use the shallow shark patches instead of pushing the deeper edge when the tide is moving.
Access Restrictions
Boat access from Phi Phi or Koh Lanta operators; this is not a shore-entry site.
Legal Notes
Follow marine-park or operator guidance for the Phi Phi area and any mooring or closure rules in force.
Community notes to help plan your visit.
Scuba Diving
Boat-access reef circuit with a shallow top, sandy shark patches, and finger-like ridges around the main rock.
Freediving
Only the shallow top and sand patches are realistic for breath-hold work; the reef is really a scuba site.
Snorkeling
Snorkeling is possible only on the calmest shallow sections and is not the main use case.
Species commonly reported at this site, with direct links into their wildlife guides.
Conservative baseline from public research. No community dives logged yet.
Last Updated
Research Sources
Operator page with depth, coral, shark, and access context.
Official Tourism Authority of Thailand page for the Phi Phi destination and its marine-life draw.

Strong-current Racha Noi drift dive with manta chances.

Racha Noi reef with shallow bay and coral blocks

Offshore Racha Noi wall with manta potential.