Located about thirty kilometres off the coast of Koh Samui, Ang Thong National Marine Park is a true natural gem. With its 42 limestone islands, emerald lagoons and white-sand beaches, it's the must-do excursion of any trip to Samui.
☀️ Why visit Ang Thong Marine Park?
- The Emerald Lake: a natural saltwater pool at the heart of Mae Koh island.
- The Wua Ta Lap viewpoint: climb 500 steps for a 360° panorama.
- Snorkeling: crystal-clear waters, tropical fish and colourful coral.
- Sea kayaking: glide between the limestone cliffs.
⛴️ Speedboat vs Traditional Boat: which should you choose?
| Criteria | ⛴️ Speedboat (fast) | ⛵ Traditional boat |
|---|---|---|
| Crossing time | 45 min – 1h | 2h – 2h30 |
| Comfort | Comfortable, but can be bumpy | Stable and comfortable |
| Best for | Active travellers, groups | Families with children or older travellers |
💡 Our tip
If you're prone to seasickness, choose the traditional boat.
📅 What's the best time to visit Ang Thong?
The best period runs from December to April. The sea is calm and underwater visibility is excellent. From July onwards, the sea gets choppier — see our complete Koh Samui weather guide.
🎒 Our checklist for a perfect day
- ✅ Sunscreen (SPF 50)
- ✅ Cap or hat
- ✅ Mask and snorkel
- ✅ Towel and a change of clothes
- ✅ Waterproof camera
- ✅ A light jumper (the morning crossing can be cool)
- ✅ Cash (park entrance fee: 300 THB/person)
🗺️ ME Travel's typical itinerary
07:30 — Pick-up from your hotel.
08:30 — Departure by speedboat.
09:30 — Snorkeling at Koh Wao.
11:00 — Visit to the Emerald Lake.
12:30 — Buffet lunch.
14:00 — Sea kayaking.
16:30 — Return to Samui.
Book your spot
Discover our complete Ang Thong Marine Park excursion, with all rates and options.
👉 Our Ang Thong Marine Park excursions
