Stories of Discovery & Wonder

Ang Thong National Marine Park Kayak & Big Boat Day Trip from Koh Samui

Spend a full day exploring Ang Thong National Marine Park by big boat and kayak: climb to a 262 m viewpoint, paddle through emerald lagoons, and snorkel among soft corals. This practical guide covers what to expect, how to prepare, and local insights for a safe, rewarding day at sea.

Koh Samui, Surat Thani•

8–9 hours

•By Adventure Collective•October 2025

The Experience

Mist lifts off the Andaman-colored sea as the big boat slides away from Nathon pier, engines steady and breakfast trays clinking. Within an hour the skyline fractures into islands — limestone cliffs, spiky islets and the green bowl of Thale Nai glowing an unreal emerald. The day alternates between salt spray, short hikes and sheltered paddling: a climb to a 262‑meter viewpoint, a walk along soft white sand at Wua Ta Lap, snorkeling past coral gardens, and guided kayaks threading mangrove fringes.

Before You Go

Start early for calmer seas

Morning departures usually offer gentler water for kayaking and clearer snorkeling—pack layers for a cool, pre-dawn transfer.

Protect coral—use reef-safe sunscreen

Apply reef-safe sunscreen before boarding and avoid lotions that wash off; physical sunscreens (long-sleeve rashguards) are best.

Bring water shoes

Beaches and rocky steps can be slippery; water shoes provide traction for short hikes, cave entry and kayak launches.

Prepare for the climb

The viewpoint involves a steep 500 m walk with a 262 m gain—carry water and take frequent breaks if you’re not used to stairs.

Local Knowledge

Hidden Gems

•Climb the short ridge above Wua Ta Lap for a quieter panorama away from the main viewpoint
•Paddle close to mangrove fingers at Mae Ko for subtle shorebird and crab life

Wildlife

•Green sea turtles
•Long‑tailed macaques

Conservation Note

Visitors should avoid touching coral, take all trash off the islands, and use reef‑safe products; park regulations and guides help limit impacts on sensitive lagoons and reefs.

Ang Thong National Marine Park was designated to protect diverse marine and island habitats, formalizing conservation of reefs, seagrass and nesting sites for local communities.

What to Bring

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Reef-safe sunscreenEssential

Protects your skin and the coral reef during extended sun exposure on deck and while snorkeling.

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Lightweight dry bag (10–20L)Essential

Keeps phone, camera and spare clothes dry during kayak sections and boat transfers.

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Water shoes with gripEssential

Useful for launching kayaks, walking on wet rocks and moving between boat and beach.

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Rashguard or sun shirt

Provides sun protection while paddling and reduces need for reapplying sunscreen.

Common Questions

How long is the trip and what is included?

The outing runs about 8–9 hours and typically includes hotel pickup, boat transfer, light breakfast, buffet lunch, snorkeling gear, kayaks, life jackets and an English-speaking guide.

Is the climb to the viewpoint difficult?

The viewpoint involves roughly 500 meters of walking and a 262 m elevation gain on stone steps; it’s steep but short—pace yourself and bring water.

Can non-swimmers join snorkeling and kayaking?

Life jackets are provided and guides can assist in shallow water, but participants should be comfortable in water; non-swimmers can still enjoy beaches and viewpoints.

When is the best time to go for calm seas?

November to April are generally drier with calmer seas; afternoons in the monsoon season can be rougher, so morning departures are recommended year-round.