Board the Oxygen at Mae Haad and spend a day snorkeling Koh Nangyuan and Koh Tao’s hidden bays. A short viewpoint hike, multiple snorkel stops in clear reef gardens, and a Thai lunch on board make this a compact, scenic marine day trip.
More ways to explore the area's outdoor wonders
The boat slips away from Mae Haad Pier and salt air pushes at your face—the wooden bench engines hum like an old friend as limestone islets shrink and Koh Nangyuan grows into a three‑island silhouette. A short hike earns a postcard view: a sandbar separating turquoise bowls of water, reefs flashing below like living mosaics. The Oxygen drops anchor and the crew points to a patchwork of coral where parrotfish graze and angelfish dart.
Difficulty
moderate
Duration
6–7 hours
Fitness Level
Light to moderate fitness—able to manage a short, steep 15–20 minute climb and multiple snorkel sessions.
Wildlife
History
Koh Tao and the surrounding islets transitioned from small fishing communities to dive and snorkel destinations over recent decades, with local economies shaped by reef tourism.
Conservation
Visitors are encouraged to use reef‑safe sunscreen, avoid touching coral, and follow guides’ instructions to reduce reef damage and support local protected zones.
Reserve your spot on the Snorkel Tour to Koh Nangyuan and the hidden bays of Koh Tao onboard the Oxygen today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Bring a snug snorkel mask
A well‑fitting mask prevents leaks and lets you focus on fish and coral rather than clearing water.
Use reef‑safe sunscreen
Choose mineral SPF to avoid harming corals and apply at least 20 minutes before entering the water.
Wear reef shoes for shore entries
Many beaches have rocky, sharp coral near the shallows; lightweight reef shoes protect feet during exits.
Choose morning for clarity
Morning departures typically have calmer seas and better underwater visibility than afternoon runs.
Snorkel mask (own fit)
A personal mask that fits well improves comfort and visibility in reef gardens.
Reef‑safe sunscreen
Protects skin and minimizes impact on coral ecosystems under tropical sun.
summer
Lightweight reef shoes
Protects feet on rocky shore entries and when walking on coral rubble.
Waterproof phone pouch or small dry bag
Keeps phone, ID and cash dry during transfers and on the beach.