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Ang Thong Marine Park

Ang Thong Marine Park, a mesmerizing archipelago with 42 islands located 20 kilometers west of Koh Samui in the Gulf of Thailand, has been a protected haven since its establishment in 1980. Spanning 102 square kilometers, the park is renowned for its captivating limestone karst formations, emerald-green lagoons, and vibrant marine life. The name “Ang Thong,” meaning “Golden Basin,” perfectly encapsulates the picturesque scenery. Visitors can partake in boat tours to discover the islands, engaging in activities such as snorkeling amidst vibrant coral reefs, kayaking through hidden lagoons, and hiking to elevated viewpoints for panoramic vistas. The park is a sanctuary for diverse wildlife, including monkeys, tropical birds, and marine species. The iconic viewpoint on Koh Wua Talap offers a breathtaking panorama of the entire archipelago. As a protected area, Ang Thong Marine Park emphasizes conservation and sustainable tourism, inviting adventure enthusiasts, nature lovers, and those seeking tranquility to experience its unparalleled beauty in the Gulf of Thailand.

Best Time to Visit

The best time to visit Ang Thong Marine Park in Thailand is during the dry season, which generally spans from late December to April.

How to get there

Sailing to Ang Thong Marine Park is a wonderful adventure, offering breathtaking views of the Gulf of Thailand and the opportunity to explore a stunning archipelago. Here’s a general guide on how to sail to Ang Thong Marine Park. Different tour operators offer various types of boats, including speedboats, traditional and sailing yachts. Choose the type of boat that suits your preferences for comfort and style.

Naval Base Koh Samui

  • Sailing catamaran 2 – 3 hours
  • Speedboat 1 hour

Choengmon Pier

  • Sailing catamaran 2 – 3 hours

Activities Guideline


  • Explore the vibrant underwater world surrounding the islands. The park is home to diverse marine life, coral reefs, and clear blue waters, making it an ideal spot for snorkeling.


  • Paddle through the park’s emerald lagoons and along the coastline. Many tours include kayaking as part of the itinerary, allowing you to discover hidden caves and secluded beaches.


  • Climb to the viewpoint on Mae Koh Island for breathtaking panoramic views of the entire marine park. The trek offers a rewarding experience with stunning landscapes and photo opportunities.

Beach Relaxation

  • Enjoy the pristine white-sand beaches on several of the islands. Relax, sunbathe, or take a leisurely swim in the warm, inviting waters.


  • Explore the fascinating caves on Wua Talap Island, where you can witness unique rock formations and stunning stalactites.

Wildlife Watching

  • Ang Thong Marine Park is home to various species of birds, reptiles, and marine life. Keep an eye out for monkeys, dolphins, and colorful tropical birds during your visit.

Boat Tours

  • Take a boat tour around the park to admire the picturesque scenery, limestone cliffs, and hidden coves. Many tours include stops at different islands for various activities.


  • The park’s natural beauty and diverse landscapes provide excellent opportunities for photography. Capture the stunning sunsets, unique rock formations, and the vibrant marine life.


Full day program is taking time around 8 hours. 

Full Day Program

Full day 8 hours 

8:30 AM

  • Depart from Samui pier

11:00 AM

  • Arrive at Ang-Thong Marine Park. TaLay Nai (Lake Lagoon – Koh Mae Koh) experience breathtaking view around the emerald green lagoon, taking photo

12:00 AM

  • Yachting aroung to the beautiful view of Ang-Thong Marine Park

14:00 PM

  • Relax around the beach, there are a lot of activities provided such as paddle board or kayaking.

16:00 PM

  • Depart from Ang-Thong Marine Park

18:30 PM

  • Arrive safely at Samui pier

**The program and time may be changed, it depends on the weather on that day.

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