Ang Thong National Marine Park — Nature’s Archipelago Paradise

Ang Thong National Marine Park is a stunning paradise that invites you to explore its breathtaking landscapes and vibrant marine life. With its emerald waters and lush islands, it's the perfect spot for kayaking, snorkeling, or simply soaking in the beauty of nature. Whether you're an adventure seeker or just looking to relax, this park offers unforgettable experiences for everyone. Come and discover the magic of Ang Thong National Marine Park!

Location: Mu Ko Ang Thong, Gulf of Thailand (west of Koh Samui)
By: The Coconut Island Team
Updated: October 7, 2025

What Is Ang Thong Marine Park?

Ang Thong National Marine Park is a stunning archipelago of **42 islands**, made famous for its dramatic limestone cliffs, hidden lagoons, emerald waters, and lush forested landscapes. It’s a protected area, part of Thailand’s national marine park system, offering a mix of adventure and natural beauty not far from Koh Samui.

Top Highlights & Must-See Spots

  • Wua Ta Lap viewpoint — hike up from the park headquarters for one of the most iconic panoramas over the islands.
  • Thale Nai (Emerald Lagoon) on Ko Mae Ko — a saltwater crater lake enclosed by cliffs; picture perfect.
  • Bua Bok Cave — explore cave formations, stalactites and stalagmites, plus shady jungle paths.
  • White sandy beaches & snorkeling — many islands have calm bays and coral reefs full of marine life.
  • Kayaking around bays & hidden coves — serene way to explore more remote corners of the park.

How to Visit & Tours

Most visitors go on a day-trip from Koh Samui (or Koh Phangan) via speedboat or slower boat. Some tours include snorkeling, kayaking, viewpoint treks, and lunch. For more immersion, there are overnight camping options on Koh Wua Talap — basic bungalows or campsites near the visitor centre. Reservations are recommended.

Entrance Fees & Times

  • Entrance fee: ~ **THB 200** for foreigners, children ~THB 100. Thai citizens pay less. (Check latest rates.)
  • Opening hours: Usually ~ 8:00 am to 4:00 pm. Park may close parts of the year for weather / maintenance.
  • Best season: February to October – calmer seas, clearer skies.

What to Bring & Practical Tips

  • Swimwear, towel, sunscreen, hat & sunglasses
  • Quick-dry clothes and shoes for hiking / viewpoint trails
  • Snorkel gear (often provided by tour operators, but good to have your own)
  • Dry bag for valuables and phone
  • Plenty of water and snacks
  • Respect park rules: no touching coral, take trash with you, follow ranger instructions

Sample Itinerary: Full-Day Tour

  1. Depart Koh Samui early morning by boat.
  2. Visit viewpoint at Wua Ta Lap for panoramic views.
  3. Head to Thale Nai lagoon, swim or snorkel.
  4. Have lunch on one of the islands or at the visitor centre.
  5. Relax on a beach or go kayaking in the afternoon.
  6. Return to Koh Samui before sunset.

Photo Gallery

Map

Final Thoughts

Ang Thong National Marine Park is one of those destinations that feels like stepping into a postcard — and you don’t even have to travel far from Koh Samui. Whether you choose a quick day trip or spend a night under the stars, it’s an unforgettable chance to connect with Thailand’s marine wilderness. Don’t miss it on your island itinerary.

— The Coconut Island Team