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.
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.
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.
Verified experiences and guided adventures in the surrounding area.
Operated by Trip Store Krabi · Mae Haad, Surat Thani Province
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.
This coastline sits on the southern edge of the Gulf of Thailand, where Quaternary reef systems and uplifted granite reefs create pockets of clear water and steep underwater drop‑offs. Koh Nangyuan’s tiny peak has been a waypoint for fishermen and, more recently, a protected snorkeling destination; cultural life on Koh Tao still centers on small fishing villages and dive schools rather than roads.
Expect several short snorkel stops—Japanese Reef Garden, Lighthouse/Mango Bay, Hin Wong, Ao Leuk and Shark Bay—each offering shallow coral gardens and calm swimming when winds are light. The Nangyuan viewpoint requires a 10–20 minute, steep, sandy climb with steps; water time is typically gentle, suitable for confident beginners.
Practical notes: bring reef‑safe sunscreen, a snorkel mask that fits, and a lightweight towel. Morning departures get clearer seas and stronger morning light; afternoons can be quieter. The trip includes hotel transfers (most locations), a Thai lunch box, life jacket and a guide; weather can change plans, so check local forecasts and wear footwear for rocky beach exits. Hydrate, secure valuables, and listen to the crew for reef‑safe behavior to keep these bays healthy for the next visit.
moderate.
6–7 hours.
Light to moderate fitness—able to manage a short, steep 15–20 minute climb and multiple snorkel sessions.
The tour is about 6–7 hours with morning and afternoon departures; mornings have better light and visibility while afternoons are often less crowded.
No—basic snorkeling skills and comfort in the water are sufficient; life jackets are provided for open water stops.
Yes—Thai lunch boxes, drinking water, coffee, tea and fresh fruit are included onboard.
Yes—sea and wind conditions can alter stop order or cancel some stops; operators generally notify guests and offer refunds per policy.
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.
Visitors are encouraged to use reef‑safe sunscreen, avoid touching coral, and follow guides’ instructions to reduce reef damage and support local protected zones.
Trip Store Krabi operates guided outdoor trips and adventures with an emphasis on safety, stewardship, and memorable experiences.




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.
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.
This coastline sits on the southern edge of the Gulf of Thailand, where Quaternary reef systems and uplifted granite reefs create pockets of clear water and steep underwater drop‑offs. Koh Nangyuan’s tiny peak has been a waypoint for fishermen and, more recently, a protected snorkeling destination; cultural life on Koh Tao still centers on small fishing villages and dive schools rather than roads.
Expect several short snorkel stops—Japanese Reef Garden, Lighthouse/Mango Bay, Hin Wong, Ao Leuk and Shark Bay—each offering shallow coral gardens and calm swimming when winds are light. The Nangyuan viewpoint requires a 10–20 minute, steep, sandy climb with steps; water time is typically gentle, suitable for confident beginners.
Practical notes: bring reef‑safe sunscreen, a snorkel mask that fits, and a lightweight towel. Morning departures get clearer seas and stronger morning light; afternoons can be quieter. The trip includes hotel transfers (most locations), a Thai lunch box, life jacket and a guide; weather can change plans, so check local forecasts and wear footwear for rocky beach exits. Hydrate, secure valuables, and listen to the crew for reef‑safe behavior to keep these bays healthy for the next visit.