Refine your diving with a focused two-day PADI Advanced Open Water course on Koh Chang. Five dives—Deep and Navigation plus three electives—deliver practical skills, certification, and guided reef time.
More ways to explore the area's outdoor wonders
A low-backed longtail slips away from the pier and the island’s green ridge falls behind you like a turning page. Salt and diesel mix on the air, and the boat hum drops to a patient rhythm as instructors brief the five dives ahead: two required—Deep and Underwater Navigation—and three electives chosen to sharpen buoyancy, drift techniques, wreck or fish-ID skills.
Difficulty
moderate
Duration
2 days (approx. 48 hours)
Fitness Level
Moderate fitness: able to complete multiple dives, manage equipment, and perform basic swimming and mask-clearing skills.
Wildlife
History
Koh Chang was traditionally a fishing and timber outpost; tourism and diving expanded in the late 20th century as improved access exposed rich reef systems.
Conservation
Coral health is sensitive here—use reef-safe sunscreen, avoid touching reefs, and choose operators that follow no-touch and mooring-buoy protocols.
Reserve your spot on the 2 days PADI Advanced Open Water Diver 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 communication and comfort during navigation and photo electives; rental masks may be generic.
Watch your air on deep dives
Plan bottom times conservatively, use a dive computer, and practice ascent gas management with your buddy and instructor.
Use reef-safe sunscreen
Apply biodegradable sunscreen before surface intervals to protect corals and comply with local conservation guidelines.
Time surface intervals
Hydrate and rest between dives—shorten strenuous activity to reduce risk of nitrogen buildup before the deep dive.
Personal mask and snorkel
Improves fit and visibility for navigation and photo exercises.
Dive computer
Essential for depth monitoring and no-decompression calculations during the deep dive.
Logbook and certification card
Required to show Open Water certification and to record new Advanced dives.
Light shorty wetsuit (3–5 mm)
Provides thermal comfort in cooler months and protection during drift or wreck dives.
winter