Spend a full day diving from Koh Samui to the reefs around Koh Tao with two guided boat dives, lunch, and equipment provided. Ideal for beginners and certified divers who want concentrated encounters with colorful reef life in clear tropical water.
More ways to explore the area's outdoor wonders
Morning light skims the Gulf as the catamaran slips off Koh Samui toward Koh Tao, and salt air sharpens your senses. Onboard, the crew readies tanks while the sun deck invites a slow stretch before the first descent.
Difficulty
moderate
Duration
8 hours
Fitness Level
Basic to moderate fitness: comfortable swimming and short surface swims; not suitable for people with serious cardiovascular issues.
Wildlife
History
Koh Tao was historically a small fishing and tin-island community; dive tourism expanded rapidly from the 1990s, shaping the island’s visitor services and training infrastructure.
Conservation
The Gulf’s coral reefs face bleaching and localized damage; follow no-touch rules, use reef-safe sunscreen, and support operators that follow marine park regulations.
Reserve your spot on the Diving in Koh Tao today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Bring certification or pre-book an intro dive
Certified divers should bring their card; beginners can book a Discover Scuba intro—confirm in advance to avoid delays.
Hydrate and eat light
Long boat rides and dives dehydrate; drink water and choose a light meal before the first dive.
Protect reefs—use reef-safe sunscreen
Wear biodegradable sunscreens and avoid cosmetics that harm coral; consider a long-sleeve UV shirt for sun protection.
Prepare for variable currents
Sites can have steady currents; listen to your dive guide, carry a SMB, and stay close to the group.
Reef-safe sunscreen
Protects skin and avoids chemical damage to coral during surface intervals.
summer
Personal mask and snorkel
A well-fitted mask improves comfort and visibility; operators supply equipment but many prefer personal gear.
Light 3mm wetsuit or shorty
Provides thermal comfort and minor protection from scrapes during dives and surface intervals.
winter
Seasickness medication or patches
Take preventative meds if you’re prone to motion sickness—the crossing to Koh Tao can be choppy.