THE ADVENTURE COLLECTIVE® · Independent discovery and booking for outdoor travel
Set sail from Koh Samui for a day among limestone isles, secret lagoons, and the emerald lagoon of Koh Mae Koh. This full-day sailing cruise combines snorkeling, short hikes, and a Thai buffet aboard a comfortable yacht.
Set sail from Koh Samui for a day among limestone isles, secret lagoons, and the emerald lagoon of Koh Mae Koh. This full-day sailing cruise combines snorkeling, short hikes, and a Thai buffet aboard a comfortable yacht.
The yacht slips from Koh Samui at first light, coffee steaming on the rail as the Gulf of Thailand opens into a scatter of limestone isles. Wind fills the sails and the islands—sheer, green, and eroded—seem to lean in, daring you to explore hidden coves and turquoise shallows.
Verified experiences and guided adventures in the surrounding area.
Operated by Oh-Hoo · Koh Samui, Surat Thani
The yacht slips from Koh Samui at first light, coffee steaming on the rail as the Gulf of Thailand opens into a scatter of limestone isles. Wind fills the sails and the islands—sheer, green, and eroded—seem to lean in, daring you to explore hidden coves and turquoise shallows.
Ang Thong Marine Park is an archipelago shaped by millions of years of karst uplift and coastal erosion; its cliffs, caves, and sea-worn arches record a geological past visible from the viewpoint on Koh Mae Koh. The park has been managed as a marine protected area since the late 20th century and supports local fishing communities and a growing eco-tourism economy. Visitors will notice Thai hospitality on board: a full breakfast, a buffet lunch, and crew briefings that point out cultural and natural highlights.
Expect a balanced day of easy swims, guided snorkeling in reef patches, short beach walks, and a steep but short hike to the Emerald Lake viewpoint. Trails are rocky and sun-exposed; limestone steps and tree roots demand steady footing. Water is warm and clear but currents can be variable—use caution when swimming to and from the boat.
Practical guidance: arrive early for boat transfers, carry reef-safe sunscreen, a light dry bag, and reef shoes for the shore landings. Bring a charged phone and a camera with a watertight case for the viewpoints and kayak-ready coves. The return sail often offers a calm sunset stretch—an ideal time to reflect on the day’s sea and stone.
moderate.
11 hours.
Suitable for travelers in average fitness—able to do short, steep hikes and swim/snorkel for 20–30 minutes at a time.
Most tours include basic snorkeling gear; confirm at booking if you need specific sizes or prefer to bring your own.
This tour typically includes VIP resort transfers from Koh Samui—check your pickup location and time at booking.
The viewpoint involves a short, steep climb of steps and rocky trail—expect 15–30 minutes and uneven footing.
Children are welcome; infants sit on laps. Note age restrictions may apply for safety and comfort—check with the operator.
Ang Thong was designated a marine park in the late 20th century to protect its islands and marine life while supporting responsible tourism.
Tour operators encourage reef-safe products, limit group sizes, and follow park rules to minimize impact on coral reefs and nesting areas.
Oh-Hoo operates guided outdoor trips and adventures with an emphasis on safety, stewardship, and memorable experiences.
The yacht slips from Koh Samui at first light, coffee steaming on the rail as the Gulf of Thailand opens into a scatter of limestone isles. Wind fills the sails and the islands—sheer, green, and eroded—seem to lean in, daring you to explore hidden coves and turquoise shallows.
The yacht slips from Koh Samui at first light, coffee steaming on the rail as the Gulf of Thailand opens into a scatter of limestone isles. Wind fills the sails and the islands—sheer, green, and eroded—seem to lean in, daring you to explore hidden coves and turquoise shallows.
Ang Thong Marine Park is an archipelago shaped by millions of years of karst uplift and coastal erosion; its cliffs, caves, and sea-worn arches record a geological past visible from the viewpoint on Koh Mae Koh. The park has been managed as a marine protected area since the late 20th century and supports local fishing communities and a growing eco-tourism economy. Visitors will notice Thai hospitality on board: a full breakfast, a buffet lunch, and crew briefings that point out cultural and natural highlights.
Expect a balanced day of easy swims, guided snorkeling in reef patches, short beach walks, and a steep but short hike to the Emerald Lake viewpoint. Trails are rocky and sun-exposed; limestone steps and tree roots demand steady footing. Water is warm and clear but currents can be variable—use caution when swimming to and from the boat.
Practical guidance: arrive early for boat transfers, carry reef-safe sunscreen, a light dry bag, and reef shoes for the shore landings. Bring a charged phone and a camera with a watertight case for the viewpoints and kayak-ready coves. The return sail often offers a calm sunset stretch—an ideal time to reflect on the day’s sea and stone.