Day Trip to Ang Thong National Marine Park
Last updated: February 2026
A full-day island-hopping adventure from Ko Samui with limestone cliffs, lagoons, and snorkeling.
Ang Thong National Marine Park is a protected archipelago of dozens of islands just west of Ko Samui. Most visitors join a day tour that combines boat cruising, snorkeling, short hikes, and lagoon viewpoints.
Highlights
Emerald lagoon
A saltwater lake tucked inside the islands, reached via a short climb.
Island viewpoints
Panoramic lookouts are the signature photo spots of the park.
Snorkeling stops
Clear water and coral patches on calmer days.
Kayaking
Many tours include a short kayak session around the islands.
Getting There
Speedboat tour
- Most popular option from Ko Samui.
- Faster travel time and more stops.
- Usually includes lunch and gear.
Large boat tour
- Slower, steadier ride with more deck space.
- Good for families or travelers who prefer calm seas.
Departures usually start early morning. Weather can cancel trips in rough seas.
Plan Your Day
Morning
Hotel pickup and boat departure from Samui pier.
Midday
Snorkel stop + lagoon viewpoint hike.
Afternoon
Kayaking and lunch on the boat or beach.
Return
Back to Samui before sunset.
Costs & Tips
Typical costs
- Tour prices vary by boat type and season.
- National park fee may be separate.
- Snorkel gear is usually included.
Quick tips
- Bring reef-safe sunscreen and a dry bag.
- Pack motion sickness tablets if needed.
- Wear shoes for the lagoon steps.
Do / Don’t
Do
- Book a day ahead in high season.
- Carry cash for park fees and extras.
Don’t
- Skip the safety briefing on the boat.
- Swim when the sea is rough.
Questions?
Ask our community about current tour operators and sea conditions.
