Board a spacious catamaran from Koh Samui for a full-day dive trip to Koh Tao: two guided dives, lunch on deck and a chance to see turtles, sharks and vibrant coral gardens. Practical for beginners and certified divers alike, this is a long but rewarding day at sea.
More ways to explore the area's outdoor wonders
A salt-bright wind carries you to the pier before dawn and the catamaran hums to life—sun deck clearing space for the morning crowd as Koh Tao slides into the horizon. The gulf opens and the boat becomes a moving balcony; the waves dare you and the current promises something other than shore routine.
Difficulty
moderate
Duration
~8 hours
Fitness Level
Moderate fitness: you should be comfortable boarding boats, swimming at surface and performing basic dive tasks such as clearing masks and equalizing.
Wildlife
History
Koh Tao shifted from small-scale fishing and occasional mining to a global dive-training center from the 1980s onward, attracting instructors and schools that built the island’s dive infrastructure.
Conservation
Coral reefs near Koh Tao are sensitive to sunscreen, anchors and careless contact; support reef-safe products, attend briefings and follow no-touch rules. Local groups run periodic reef clean-ups and citizen science programs.
Reserve your spot on the Dive Trip Experience in Koh Tao today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Bring your certification card
If you're a certified diver, carry your certification and logged dives to avoid restrictions; introductory dives may require an instructor present.
Take motion sickness medicine early
The crossing is around 90 minutes—take medication 30–60 minutes before departure if prone to seasickness.
Use reef-safe sunscreen
Apply biodegradable sunscreen before boarding to protect coral reefs and comply with local conservation practices.
Hydrate and eat light
Drink water before and between dives and choose light meals to reduce discomfort during diving and boat rides.
Certification card or proof of training
Required for most certified dives and helps the operator place you with the right group.
Mask and snorkel (personal)
Using your own mask improves fit and comfort during multiple entries.
summer
Reef-safe sunscreen
Protects skin and reduces chemical exposure to reefs during surface intervals.
summer
Light towel and change of clothes
Quick-dry towel and dry clothes make the return transfer more comfortable after two dives.