

Best for beginner divers, 5-36m, boat entry, moderate current.
Mosquito Island Reef, also known as Koh Yung, is a remote reef and pinnacle site situated 5 kilometres off the northern tip of Koh Phi Phi Don. The site features a 700-metre-long rocky cliff on its eastern side, fringed by a coral reef suitable for both diving and snorkelling. Depths range from 5 to 36 metres, with an average of 15 metres. Access is by boat only. Conditions include moderate currents and visibility ranging from 5 to 20 metres. Water temperatures remain consistently warm, averaging 29°C throughout the year. Please note that the Department of National Parks has temporarily closed the island to all tourist boats; check for current access updates before planning a visit.
7.81798, 98.77472
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Recorded nearby, within 20km
Depth
5-36m
Visibility
5-20m
Skill Level
Beginner
Entry
Boat
Boat required
Water Temp
28-31°C
Current
Moderate
Typical Dive
45 min
Yes, the site is rated as suitable for beginner divers and snorkellers.
The depth at this site ranges from 5 to 36 metres, with an average depth of 15 metres.
No, this site is located 5 kilometres from the shore and requires boat access.
Divers and snorkellers should be aware of moderate currents and variable visibility ranging from 5 to 20 metres.
Yes, the coral reef fringing the eastern rocky cliff is suitable for snorkelling during boat tours.
Diving at Mosquito Island Reef in Koh Phi Phi requires the following certifications: Open Water. Always dive within your training limits.
A rashguard or 2mm shorty is recommended for diving at Mosquito Island Reef in Koh Phi Phi. Water temperatures range from 28°C to 31°C.
Expect moderate currents at Mosquito Island Reef in Koh Phi Phi. Good buoyancy control and some drift diving experience is helpful.
Visibility at Mosquito Island Reef in Koh Phi Phi typically ranges from 5 metres to 20 metres. Conditions vary with weather, tides, and seasons.