

Best for intermediate divers, 1-34m, boat entry, moderate current.
The Bidas consist of two islands located near the southern tip of Koh Phi Phi. This site features a diverse topography including reefs, walls, caves, pinnacles, and artificial structures. Divers and snorkellers can explore depths ranging from 1m to 34m, with an average depth of 15m. Access is strictly by boat, as the site is situated 2000m from shore. Conditions vary, with visibility between 5m and 30m and moderate currents. The site is suitable for intermediate divers and offers a variety of underwater environments, including shallow plateaus and deeper wall sections. Water temperatures remain consistent throughout the year, typically between 29C and 31C.
7.65630, 98.76709
The Bidas trip is targeted for more experienced divers and includes a combination of dives in Koh Bida Nok, Koh Bida Nai, Hin Bida and the Klad Keow wreck or Hin Klai reef.
The site is accessed via speedboat from Railay Beach or Ao Nang.
Recorded at this site
Depth
Up to 34m
Visibility
5-30m
Skill Level
Intermediate
Entry
Boat
Boat required
Water Temp
29-31°C
Current
Moderate
Typical Dive
60 min
Best Time
Apr, Nov
The site is rated for intermediate skill levels due to the presence of moderate currents, deep sections, and potential hazards such as down currents and surge.
The site ranges from 1m to 34m in depth, with an average depth of 15m.
Yes, both diving and snorkelling activities are conducted at this site, which includes shallow reef areas.
Boat access is required to reach The Bidas, which is located 2000m from the shore.
The best months to visit The Bidas are April and November.
Diving at The Bidas in Ao Nang requires the following certifications: Open Water, Advanced, Wreck, Cavern. Always dive within your training limits.
Yes, equipment rental is available at or near The Bidas in Ao Nang. Contact local dive operators for specific gear availability and prices.
A rashguard or 2mm shorty is recommended for diving at The Bidas in Ao Nang. Water temperatures range from 29°C to 31°C.
Divers at The Bidas in Ao Nang should be aware of jellyfish, lionfish, stonefish, sharks. These encounters are generally rare and avoidable with proper awareness. Follow local safety guidance and maintain a respectful distance from all marine life.
Expect moderate currents at The Bidas in Ao Nang. Good buoyancy control and some drift diving experience is helpful.
Visibility at The Bidas in Ao Nang typically ranges from 5 metres to 30 metres. Conditions vary with weather, tides, and seasons.