Spend two focused days refining dive skills off Koh Samui with guided deep, navigation and specialty dives. Small groups, boat transfers, and instructor-led coaching make this an efficient way to move from Open Water to advanced competence.
More ways to explore the area's outdoor wonders
You step off the shaded deck and the Gulf of Thailand greets you with warm, glassy water that seems to pull at your fins—an open invitation rather than a threat. On this two-day guided Advanced Open Water course, instructors from a Swiss-run school guide you from surface checks to deeper, navigated dives; the sea’s currents push you into a new rhythm and the boat hums like a dependable companion between sites.
Difficulty
challenging
Duration
2 days (approx. 48 hours)
Fitness Level
Moderate fitness; comfortable with multiple boat dives, carrying kit, and controlled breathing under stress
Wildlife
History
Bophut’s fishing community grew around sea-trade routes; timber and fish shaped local boatbuilding and market culture now visible in Fisherman’s Village.
Conservation
Coral reefs here are sensitive to runoff and anchors—use mooring buoys, avoid touching, and choose operators that practice reef-safe anchoring and sunscreen policies.
Reserve your spot on the 2 Days Guided Advanced Open Water Course in Thailand today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Certification prerequisite
You must hold an Open Water certification before enrolling; bring your card and logbook for entry-level verification.
Medical clearance
If you have any cardiovascular or respiratory issues, get a doctor’s sign-off—diving medicals are often required for advanced profiles.
Hydrate and rest
Drink water before and between dives and avoid alcohol; dehydration increases risk during repeated dives and travel days.
Sun and surface protection
Pack a light long-sleeve rashguard and reef-safe sunscreen—sun exposure on the boat can be intense between dives.
Personal mask and snorkel
A well-fitted mask improves visibility and comfort during repeated entries.
Dive computer
Tracks no-decompression limits and depth profiles for multiple dives across both days.
3mm shorty or full wetsuit
Thermal protection and skin abrasion guard for cooler early-morning dives and boat exposure.
summer
Reef-safe sunscreen and sunshirt
Protects skin while respecting coral reef health between dives.
summer