A small-group speedboat tour that pairs guided snorkeling, shore lunches and calm guided kayaking with a visit to Angthong’s Emerald Lagoon. Ideal for travelers who want more space, expert guides and a full-day marine escape from Koh Samui.
A small-group speedboat tour that pairs guided snorkeling, shore lunches and calm guided kayaking with a visit to Angthong’s Emerald Lagoon. Ideal for travelers who want more space, expert guides and a full-day marine escape from Koh Samui.
The speedboat slips away from Koh Samui and the shoreline melts into a scatter of limestone islets; wind scrubs the sunscreen from your face and the bay opens like a map waiting to be explored.
Verified experiences and guided adventures in the surrounding area.
Operated by 100 Degrees East Dive Team · Koh Samui, Surat Thani
The speedboat slips away from Koh Samui and the shoreline melts into a scatter of limestone islets; wind scrubs the sunscreen from your face and the bay opens like a map waiting to be explored.
On a VIP small-group run to Angthong National Marine Park, the day moves with purposeful ease: guided snorkel stops at reef pockets, a sheltered lunch beach, calm guided kayaking along karst cliffs and a short trek to the famous Emerald Lagoon viewpoint. Geologically, the archipelago is a cluster of Miocene limestone formed by uplift and erosion, creating sheer cliffs, caverns and the saltwater lagoons that define the park’s dramatic profile. Culturally, the waters have fed southern Thai fishing communities for generations and now carry conservation rules aimed at protecting reefs and nesting turtles.
Expect clear, shallow reef flats punctuated by schools of parrotfish and thorny corals; guides often point out sea eagles and resident turtles. The itinerary balances activity with downtime—there’s time to kayak under rock overhangs or rest on a deserted sandbar while the crew prepares a homestyle lunch.
Practical notes: tours typically run about 8½ hours and include transfers, snorkel gear, life jackets, lunch and bottled water. Bring reef-safe sunscreen, water shoes and a waterproof pouch; be ready for repeated boarding and short beach hikes. Peak conditions for visibility are during the dry season; rough seas during monsoon months can shorten shore time. For travelers who favor personalized guidance and small numbers, this VIP option keeps the focus on the islands and the water rather than the crowds.
moderate.
8–9 hours.
Moderate fitness; must be able to board a speedboat, enter and exit a kayak and walk short, uneven beach trails.
Basic swimming is recommended; life jackets are provided and guides assist non-swimmers in shallow snorkel zones.
Transfers from Koh Samui, snorkel gear, life jackets, lunch, bottled water, snacks, towels and park fees are included.
The walk to the viewpoint is short but steep in sections—expect 10–15 minutes on uneven jungle steps and bring comfortable shoes.
Tours may be canceled or shortened in rough seas; operators typically offer full refunds if the tour is canceled for weather or low bookings.
Ang Thong was declared a national marine park in 1980 and protects a cluster of limestone islands that have long been used by local fishers and small communities.
Visitors are asked to avoid touching coral, anchor on sandy bottoms only and use reef-safe sunscreens—park fees fund patrols and reef conservation efforts.
100 Degrees East Dive Team operates guided outdoor trips and adventures with an emphasis on safety, stewardship, and memorable experiences.




The speedboat slips away from Koh Samui and the shoreline melts into a scatter of limestone islets; wind scrubs the sunscreen from your face and the bay opens like a map waiting to be explored.
The speedboat slips away from Koh Samui and the shoreline melts into a scatter of limestone islets; wind scrubs the sunscreen from your face and the bay opens like a map waiting to be explored.
On a VIP small-group run to Angthong National Marine Park, the day moves with purposeful ease: guided snorkel stops at reef pockets, a sheltered lunch beach, calm guided kayaking along karst cliffs and a short trek to the famous Emerald Lagoon viewpoint. Geologically, the archipelago is a cluster of Miocene limestone formed by uplift and erosion, creating sheer cliffs, caverns and the saltwater lagoons that define the park’s dramatic profile. Culturally, the waters have fed southern Thai fishing communities for generations and now carry conservation rules aimed at protecting reefs and nesting turtles.
Expect clear, shallow reef flats punctuated by schools of parrotfish and thorny corals; guides often point out sea eagles and resident turtles. The itinerary balances activity with downtime—there’s time to kayak under rock overhangs or rest on a deserted sandbar while the crew prepares a homestyle lunch.
Practical notes: tours typically run about 8½ hours and include transfers, snorkel gear, life jackets, lunch and bottled water. Bring reef-safe sunscreen, water shoes and a waterproof pouch; be ready for repeated boarding and short beach hikes. Peak conditions for visibility are during the dry season; rough seas during monsoon months can shorten shore time. For travelers who favor personalized guidance and small numbers, this VIP option keeps the focus on the islands and the water rather than the crowds.