“Let the sea set you free” is the perfect mantra for all beach enthusiasts. While the beaches and islands in Thailand’s southern Andaman Sea are undoubtedly a dream destination for beach lovers worldwide, it’s worth noting that the country’s eastern coast also boasts its fair share of picturesque beaches and islands. Koh Mun Islands, situated in the Gulf of Thailand in Rayong province, are truly wonderful. Discover the charm of Koh Mun, the small yet stunning islands that offer pristine beaches, crystal-clear waters, and a tranquil atmosphere. It is the perfect destination for travelers in search of a secluded and rejuvenating getaway. The islands’ stunning coral reefs attract lots of snorkeling and diving enthusiasts. If you’re seeking a tranquil getaway surrounded by untouched natural beauty, Koh Muns is the ideal destination. These Thai islands offer a serene atmosphere and a less-crowded environment, making them the perfect place to relax and recharge.

Walk the longest Thale Waek on the eastern Gulf of Thailand at Mun Nai Island

With a total area of 209,600 square meters, Koh Mun Nai is the largest of the three islands in the Koh Mun Archipelago. It is blessed with a serene and private ambiance and dunes, making it perfect for those wishing to relax and unwind. In addition, this island is well-known as the hub for environmental learning and natural preservation on the east coast of Thailand. The main highlight of Koh Mun Nai is its “Thale Waek,” the longest on the east coast.

• During low tide, visitors can stroll on emergent dunes, taking in the stunning, broad expanse of crystal-blue water as if they were in the middle of the ocean.
• The island is bursting with breathtaking scenery. The island’s front faces the eastern coastline and Rayong City. White sandy beaches with scattered sea boulders line the sides of the island, which are excellent for taking photos and admiring the sunset.
• Seize the opportunity to purchase fresh, delicious seafood from local fishermen who practice sustainable fishing.

Travel tips:

• Best time to visit: November-April
• How to get there: Board a boat at Pak Nam Prasae Pier. The journey to the island takes approximately 40 minutes. 
• There is no accommodation in Koh Mun Nai, so you must take a day trip there. You can spend a night near Pak Nam Prasae Pier, the closest pier to the island, or stay overnight at Koh Mun Klang or Koh Mun Nok.

Fun family outing at the Sea Turtle Conservation Centre, Koh Mun Nai

Another must-see activity on Koh Mun Nai is a visit to the Sea Turtle Conservation Centre, which also houses the Marine and Coastal Resources Research and Development Centre of the Eastern Gulf of Thailand.

• Meet many adorable sea turtles: Most are baby and adult turtles in their old age, necessitating special care before returning to nature.
• Sea Turtle Museum: Discover the stories of many varieties of sea turtles, including the Green Sea Turtle, Leatherback, and Hawksbill. There is also a simulation of a sea turtle hatching and an exhibit of dolphin bones, all of which make for a delightful learning experience for the entire family.
• Sea Turtle Hatchery Research and Development Center: Learn about sea turtle breeding, hatching, and nursing, as well as the numerous conservation initiatives for this marine species. At the Coral Research and Development Center, which is located on the same grounds.
• After observing sea turtles and other marine life at the center, stroll down the beach at one of the island’s many bays, such as Ao Ton Makham, Ao Hin Khod Ya, Ao Kong Kang, and Ao Na Ban.

Travel tips:

• Best time to visit: You can visit the Sea Turtle Conservation Centre all year round. It is open daily from 08.00-17.00
• How to get there: Take a 40-minute boat trip from Pak Nam Prasae Pier or Ao Makampom Pier.

Dive deep into the splendid, clear blue sea and colorful coral reefs at Koh Mun Klang

Koh Mun Klang is a lush and calm tropical island located 500 meters from Koh Mun Nai, a lush and peaceful tropical island known as one of the best spots for shallow-water snorkeling in Rayong province. This snorkeling paradise is accessible by a 10-minute boat ride from Koh Mun Nai. 

• Koh Mun Klang is surrounded by numerous coral reefs—a stunning underwater spectacle.
• During certain hours, you can see Thale Waek, where the sea water recedes, revealing a white dune connecting the island and many sea boulders in the area.
• Koh Mun Klang’s charm lies in its secluded and peaceful atmosphere. Swimming, sunbathing, kayaking, and other outdoor activities allow you to become fully immersed in nature.

Travel tips:

• Best time to visit: November-April
• How to get there: Take a 50-minute boat ride from Pak Nam Prasae Pier to Koh Mun Klang.

Take a day excursion or stay longer. Koh Mun Klang, approximately 50 minutes from the mainland, is ideal for day trips and extended stays. We recommend spending three days and two nights there. Manta Kiri Island Resort, an eco-friendly resort that prioritizes conscious living in harmony with nature, is the only accommodation on the island. It implements certain strategies to promote sustainable travel, including deliberate power outages during certain hours to limit energy usage. It has temporarily closed for renovations.

Take a plunge in the serene turquoise sea at Koh Mun Nok

Koh Mun Nok, with an area of 152,000 square meters, is the smallest of the three islands. It has stunning sandy beaches and crystal-clear water, making it an excellent destination for travelers seeking a relaxing getaway.

Escape the hustle and bustle of city life and relax on the island’s tranquil beach. Walk down the beach, swim, row a boat, and soak in the sun.

• Take a one-hour nature trail to see beautiful hidden beaches, wide-open cliffs, and other nooks and crannies of the island.
• Stay at Koh Munnork Private Island, which is the only accommodation on the island. The hotel is designed to coexist in harmony with nature. Focusing on environmental preservation, it implements eco-friendly measures such as a mandatory power outage in hotel rooms from 09.00-14.00, prohibiting single-use plastics on the grounds, etc.

Travel tips:

• Best time to visit: November-April
• How to get there: Board a boat at Pak Nam Prasae Pier. The journey to the island takes about an hour.
• Plan a day excursion or stay longer. You can take a day excursion to the islands, but we recommend staying three days and two nights. If you are short on time, try to spend at least one night.