Sharpen your skills over two days of guided dives around Koh Tao. This SSI Advanced Adventurer course includes five dives — buoyancy, navigation, deep, wreck and night — and prepares divers to go to 30 meters with coached practice and local expertise.
More ways to explore the area's outdoor wonders
The engine hums, the hull parts a flat sheet of emerald, and Koh Tao’s coral slopes slide into view as divers prepare for two days of focused progression.
Difficulty
challenging
Duration
2–3 days
Fitness Level
Moderate fitness — able to handle repeated surface swims, kit handling and controlled physical effort during dives
Wildlife
History
Koh Tao transitioned from a sparsely populated fishing island and former penal site to a global dive training hub during the late 20th century, driven by affordable instruction and sheltered dive sites.
Conservation
Local dive shops participate in reef-cleanups and coral transplant projects; divers are encouraged to use reef-safe products and minimize contact with fragile habitats.
Reserve your spot on the Advanced Adventurer - 2 days ( Advanced Open Water) today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Bring a Personal Mask
A well-fitting mask improves comfort and reduces leakage during multiple daily dives; loaner masks may not fit as well.
Logbook Ready
Keep your logbook on-hand; instructors will sign dives and note specialty experience for future certification.
Equalize Early and Often
Start equalizing on descent immediately to avoid ear discomfort, especially on the deep dive to 30 m.
Reef-Safe Sunscreen
Use biodegradable, reef-safe sunscreen before boarding to protect local coral communities.
Personal Mask
A custom-fit mask cuts fog and water intrusion during multiple dives.
Dive Computer
Tracks depth, no-deco limits and surface intervals for planned deep dives.
Shorty Wetsuit (3–5mm)
Provides thermal protection in tropical waters and abrasion protection on wreck dives.
summer
Logbook and Certification Cards
Needed for recording dives and verifying prerequisites for advanced activities.