

Best for intermediate divers, 5-45m, boat entry, moderate current.
Koh Ha is a diverse marine site near Phi Phi Leh, Thailand, featuring a complex topography of reefs, walls, pinnacles, and drop-offs. The site is notable for its cave and cavern systems, which present an overhead environment requiring appropriate training. Divers can expect depths ranging from 5 to 45 metres, with an average depth of 25 metres. Visibility typically spans 15 to 30 metres, though currents are moderate. Access is exclusively by boat, and the site is suited for intermediate divers. Water temperatures remain warm throughout the year, ranging between 28 and 31 degrees Celsius. Night diving is available at this location.
8.15020, 98.75000
Book your dives at least one week in advance to receive a 10% discount.
Accessible by speedboat in 35 minutes or 2 hours on large dive boats from Koh Lanta.
Recorded at this site
Depth
5-45m
Visibility
15-30m
Skill Level
Intermediate
Entry
Boat
Boat required
Water Temp
28-31°C
Current
Moderate
Typical Dive
45 min
Best Time
Apr, Nov
The site ranges from 5 to 45 metres deep, with an average depth of 25 metres.
No, this site is intended for intermediate divers due to the presence of overhead environments and moderate currents.
Koh Ha is located 16 kilometres from shore and requires boat access.
The best months to visit are April and November.
Divers should be cautious of boat traffic and the overhead environment within the caves and caverns.
Diving at Koh Ha in Koh Lanta requires the following certifications: Open Water. Always dive within your training limits.
A rashguard or 2mm shorty is recommended for diving at Koh Ha in Koh Lanta. Water temperatures range from 28°C to 31°C.
The best months to visit Koh Ha in Koh Lanta are April and November. Conditions outside these months can still be good but are less predictable.
Expect moderate currents at Koh Ha in Koh Lanta. Good buoyancy control and some drift diving experience is helpful.
Visibility at Koh Ha in Koh Lanta typically ranges from 15 metres to 30 metres. Conditions vary with weather, tides, and seasons.