Paddle through limestone cliffs, swim in clear reefs and visit the Emerald Lake on a full-day kayak and snorkel excursion from Koh Samui. This active, guided tour mixes sheltered lagoons, short viewpoint climbs and shallow-water snorkeling—perfect for outdoorsy travelers ready for a long, sun-filled day.
More ways to explore the area's outdoor wonders
The morning light slashes across the Gulf of Thailand as the boat slips away from Mr. Tu pier and the islands of Koh Samui shrink into a shoreline ribbon. Salt and engine exhaust mingle with the green, sharp scent of seaweed; your guide briefs the group, hands steady on a sit-on-top kayak as the first paddles hit calm water. Within an hour you’re steering through narrow channels, cliffs pressing close, and the emerald pool of Ko Mae Ko appearing like a secret held within stone.
Difficulty
moderate
Duration
9 hours (approx.)
Fitness Level
Good aerobic fitness and core strength are helpful for repeated paddling and short climbs; basic swimming ability required.
Wildlife
History
Ang Thong was designated a national marine park in 1980 to protect its islands, reefs and mangroves; local fishing communities historically used these waters seasonally.
Conservation
Visitors are encouraged to use reef-safe sunscreen, avoid touching coral, and follow guide instructions to minimize impact on sensitive reef and lagoon ecosystems.
Reserve your spot on the Kayaking and Snorkeling Tour in Ang Thong Marine Park today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Sun and heat protection
Bring high-SPF, reef-safe sunscreen, a wide-brim hat, and sunglasses; shade is limited between boat transfers and island stops.
Hydrate and snack
Carry a refillable bottle—you’ll be active for nine hours—and eat a light breakfast before departure to sustain energy.
Seasickness precautions
If you’re prone to motion sickness, take medication before boarding; the crossing back can be choppy.
Footwear for hikes
Wear sturdy reef shoes or light hiking shoes for short climbs and slippery rocks at landing points.
Reef-safe sunscreen
Protects skin and marine life during extended sun exposure on the water.
summer
Dry bag (10L)
Keeps phone, wallet and spare clothes dry during transfers and kayak re-entries.
Reef shoes
Protect soles on rocky landings and provide traction on wet steps.
Light windbreaker or rash guard
Blocks wind on the boat and reduces sun exposure while paddling.
spring