Koh Sii

Vibrant coral reef with massive schools of fish.

Boat Access
14m Avg Depth
25m Max Depth

About this dive site

This dive site presents a vibrant coral reef ecosystem. The area is known for its abundant marine life, including massive schools of small barracudas and yellow fusiliers. You'll also encounter blue spotted stingrays gracefully gliding along the seabed, as well as various nudibranches adding to the colorful display. Sea snakes are occasionally observed in this location. The reef provides a fascinating environment for underwater exploration.

Diving Freediving Snorkeling

Site Ratings

Big Marine Life Good
Macro Marine Life Very Good
Landscape Quality Excellent
Water Visibility Very Good Viz
Famousness Well Known

Plan Your Visit

coral reefbeginner friendlyboat divemacro photographywide angle

Marine Life

small barracudayellow fusilierblue spotted stingraysea snakenudibranchanemonefishparrotfishmoorish idolhard coralssoft corals

Things to Note

Difficulty:

All levels

Generally calm conditions and moderate depth make it accessible for all divers, including beginners.

Hazards:
currentmarine lifeboat traffic
Current Strength:

Mild

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