Scuba Diving Around Koh Samui
Compare activities with our booking partners. Check each option’s location and requirements.
Things to do · Destination Guide
Resort comfort on land, Gulf of Thailand pinnacles and marine parks offshore
Pick an activity mode to compare signature sites, skill fit, and gear planning notes before you lock your trip.
Koh Samui is less a "dive island" than a high-comfort base for Gulf of Thailand day trips. Local operators run early speedboats to Koh Tao's reefs and pinnacles, plus longer runs to Sail Rock between Koh Tao and Koh Phangan. You can pair beginner-friendly shallow reefs with deeper pinnacle dives in the same week, then come back to Samui for beaches, food, and recovery nights. Many Samui centers such as Silent Divers and The Dive Academy handle transfers, tanks, and timing, so you can focus on profiles and marine life.
A standout offshore pinnacle rising from about 40 m with a famous "chimney" swim-through (enter around 6 m, exit around 18 m).
Granite pinnacle system with the top around 14 m and the base around 36 m.
Intermediate-friendly offshore structure from about 5 m to 30 m, with visibility often around 10 m and sometimes pushing 30 m when the Gulf is clear.
Mu Koh Angthon National Marine Park
Protected archipelago of 42 limestone islands with shallow coral ecosystems.
Operator Checklist
Conditions Fallback
Avoid
Compare activities with our booking partners. Check each option’s location and requirements.