Ang Thong National Marine Park
Complete Website-Ready Tourist Attraction Guide
Ang Thong National Marine Park is one of Thailand’s most spectacular natural attractions and
a must-visit destination for travelers staying in Koh Samui. This protected marine park consists
of 42 stunning limestone islands, rising dramatically from the turquoise waters of the Gulf of
Thailand. Known for its emerald lagoons, white-sand beaches, limestone cliffs, coral reefs, and
panoramic viewpoints, Ang Thong offers a perfect combination of nature, adventure, and
relaxation.
🌍 Overview & Significance
Established in 1980, Ang Thong National Marine Park is a protected area covering over 100
square kilometers of land and sea. The park preserves rich marine biodiversity, dramatic island
landscapes, and untouched natural beauty.
The name “Ang Thong” means “Golden Basin”, referring to the shimmering sea surrounding
the islands.
📍 Location & Geography
 Location: Gulf of Thailand, north-west of Koh Samui
 Distance from Koh Samui: Approx. 30–40 km
 Number of Islands: 42 limestone islands
 Visit Type: Day trip (from Koh Samui or Koh Phangan)
The islands are uninhabited except for park rangers and basic visitor facilities.
🌊 Natural Highlights & Landscapes
🏝️ Limestone Islands & Beaches
Ang Thong is famous for its dramatic limestone formations, hidden coves, and secluded beaches.
Many islands feature:
 White sandy beaches
 Sheer limestone cliffs
 Jungle-covered interiors
💚 Emerald Lake (Talay Nai)
One of the park’s most iconic sights is Emerald Lake, a hidden saltwater lagoon surrounded by
steep limestone cliffs.
 Accessible by stairway
 Stunning viewpoints overlooking the lagoon
 One of the most photographed spots in the park
🏞️ Viewpoints & Hiking Trails
Several islands offer hiking trails leading to panoramic viewpoints.
 360-degree views over the marine park
 Best photo opportunities
 Moderate hiking suitable for most visitors
️ Activities & Experiences
🚤 Boat Tours
Most visitors explore Ang Thong as part of a day tour from Koh Samui, typically by speedboat
or traditional boat.
Tours usually include:
 Hotel pickup & transfer
 Snorkeling stops
 Kayaking
 Lunch & refreshments
🐠 Snorkeling & Marine Life
The clear waters around Ang Thong are ideal for snorkeling.
You may see:
 Tropical fish
 Coral reefs
 Sea urchins and starfish
Snorkeling equipment is usually provided on tours.
🛶 Kayaking
Sea kayaking allows visitors to explore:
 Hidden lagoons
 Limestone caves
 Narrow channels between islands
This is one of the most popular and peaceful activities in the park.
️ Wildlife & Nature
Ang Thong is home to diverse wildlife, including:
 Monitor lizards
 Sea birds
 Crabs and marine species
The park plays an important role in marine conservation and ecosystem protection.
🕒 Best Time to Visit
 Best season: February – October
 Calm seas: March – September
 Park closure: Usually October–November (weather dependent)
Morning visits offer calmer conditions and better visibility.
👕 What to Wear & Bring
 Light clothing & swimwear
 Comfortable shoes or sandals
 Sun protection (hat, sunscreen)
 Towel & waterproof bag
 Camera or phone
🚗 How to Visit Ang Thong
 Day Tour from Koh Samui: Most popular option
 Speedboat Tours: Faster, more time on islands
 Big Boat Tours: More relaxed pace
All visits are regulated to protect the environment.
⭐ Why Visit Ang Thong National Marine Park?
This destination is perfect for travelers who want:
 Stunning island scenery
 Adventure activities (snorkeling, kayaking, hiking)
 Iconic viewpoints & photography
 A full-day nature escape from Koh Samui
✅ Summary for Website Publishing
Ang Thong National Marine Park is one of the most breathtaking natural attractions in
southern Thailand. With its dramatic limestone islands, emerald lagoons, coral reefs, and
panoramic viewpoints, it offers an unforgettable experience for nature lovers and adventure
seekers alike. Easily accessible as a day trip from Koh Samui, Ang Thong is a must-see highlight
for anyone exploring the Gulf of Thailand.