When it comes to the eastern coast of Thailand with crystal-clear waters, scenic views, and peaceful vibes — far from the crowds of Pattaya or Bang Saen — not many people know about the hidden gem that is the Mun Islands (Koh Mun) in Rayong. But trust us, this is your tropical paradise waiting to be discovered! The Mun Islands are a small group of three islands off the coast of Klaeng District in Rayong Province: Koh Mun Nai, Koh Mun Klang, and Koh Mun Nok. Each island has its own charm, from turquoise waters and powdery white sands to laid-back natural surroundings — perfect for nature lovers. It’s like having your own private Maldives, but closer to home!

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Located around 5–11 kilometers offshore from Klaeng District, the Mun Islands are tranquil and rich in marine life. Ask anyone who has been — they’ll tell you this place is a true hidden gem of the Eastern Seaboard.

“Koh Mun Nok” is the island of dreams for many travelers. It’s privately owned, blissfully quiet, and limited in accommodation — in fact, it only has one resort. That exclusivity is exactly what makes it so magical.

Tranquil, Truly Private Vibes
With no tour groups, no noisy speedboats, and a limit on visitors, you’ll feel like the world has paused — just you and the sea.

Breathtaking Sunsets
The sunsets here are stunning — with golden-orange and soft pink skies melting into the sea. No power lines, no buildings, just you and nature. A moment you’ll want to freeze in time.

Instagrammable Corners Everywhere
White beaches, turquoise water, and blue skies — it’s photogenic from every angle, whether for portraits, candid shots, or vlogs.

Just 2 km from Koh Mun Nai, this tiny island is a snorkeler’s paradise, especially for beginners. It’s easily accessible by boat and packed with natural beauty both above and below the surface.

Crystal-Clear Waters
The water clarity here is unreal — you can spot fish from the shore! Depending on the sunlight, it changes from sky-blue to emerald green.

Shallow Coral Reefs
Natural coral reefs, especially on the island’s eastern side, are ideal for snorkeling right from the beach — no boat needed. Expect to see clownfish (Nemo!), lionfish (careful — don’t touch!), parrotfish, and colorful schools of fish.

Chill-Out Beaches All Around
Soft, white sandy shores wrap around the island, perfect for sunbathing, reading, or just relaxing. Find a tucked-away corner behind some rocks and enjoy your own private "secret beach."

Located only 5 km from the mainland, Koh Mun Nai may be small, but it plays a big role in marine conservation. Managed by Thailand’s Department of Marine and Coastal Resources, it’s one of the most important sea turtle conservation sites on the eastern coast.

Powder-Soft White Sands & Clear Waters
The beaches here are postcard-perfect — fine white sand and glistening blue water. Swimming is allowed in designated areas, as some parts are protected.

Island Nature Walk Trail
Walk the 1.2 km trail through coastal forest featuring mangroves, sea oaks, and more. You’ll discover hidden viewpoints offering panoramic sea views without the crowds!

The Mun Islands aren’t just about white sand beaches and crystal-clear waters — they’re packed with fun, exciting activities for every type of traveler. Here are the top must-do things to make your trip unforgettable.

If you love snorkeling, Koh Mun Klang is your paradise. This island is a haven for underwater explorers, especially those who prefer shallow-water snorkeling. The coral reefs here are still vibrant and healthy, teeming with marine life waiting to be discovered.

Expect to see

Pro tip: Bring a waterproof camera — the visibility is so good you’ll want to capture every moment. And the best part? You don’t need to swim far from shore to enjoy the beauty beneath the waves.

Love a bit of exercise with your sightseeing? Then you’ll love kayaking around Koh Mun Nok. This private island is peaceful and quiet — the perfect spot to paddle at your own pace, take in the breeze, and soak up the island's raw beauty.

Highlights

Kayaking here is a great way to connect with nature and get a little workout while you're at it. Whether you're solo or paddling with a friend, this activity is pure joy.

One of the most meaningful experiences on the Mun Islands is visiting the Sea Turtle Conservation Center on Koh Mun Nai. Managed by Thailand's Department of Marine and Coastal Resources, this center plays a crucial role in preserving endangered sea turtle species.

What to expect

Besides the educational value, the natural scenery is breathtaking — from the beach swings to the cliff viewpoints, every corner of the island feels like a painted canvas. Don't forget to snap a few photos at the ocean-view swings or scenic cliffs — they're some of the island's most iconic photo spots.

If you're planning a trip to the Mun Islands, you’ll need to book your accommodation early, especially if you're eyeing a stay on Koh Mun Nok. Accommodation on the island is extremely limited — in fact, there’s only one resort on Koh Mun Nok itself! But don’t worry — there are also some great hotel options nearby on the Rayong mainland for easy access and a comfortable stay.

1. Koh Munnork Private Island

Location: On Koh Mun Nok — a quiet and secluded private island.

Why stay here: If you're looking for luxury, privacy, and immersion in nature, this is the ultimate destination. Koh Munnork Private Island offers a peaceful escape with just the right blend of comfort and tropical vibes.

Highlights

Activities
Enjoy stand-up paddleboarding (SUP), snorkeling, island cycling, sunset cocktails on the beach, and more.

Note
Reservations must be made in advance — the island only allows pre-booked guests and space is very limited.

2. Mae Pim Resort Hotel

Location: Mae Pim Beach, Klaeng District, Rayong — about a 30-minute drive from Rayong city. Convenient access to Laem Tan Pier, the main pier for ferries to the Mun Islands.

Why stay here: This boutique-style resort offers a cozy atmosphere with a variety of room options, making it ideal for families, couples, or groups of friends.

Highlights

3. Mercure Rayong Lomtalay Villas & Resort

Location: Near Lomtalay Beach, Rayong — another convenient spot for catching a boat to the Mun Islands.

Why stay here: A stylish, international-standard resort with all the amenities you’d expect for a comfortable and relaxing stay.

Highlights

Activities
Use it as a base for trips to Koh Mun Nok — whether you're up for snorkeling, kayaking, or simply enjoying the sand and sea.

Note
Great for travelers who want to stay close to the pier while enjoying a tranquil beachside resort.

The Mun Islands (often casually referred to as just “Koh Mun”) are a small archipelago of three islands located in the Gulf of Thailand, off the coast of Klaeng District, Rayong Province. They’re only about 5–9 kilometers from Ban Phe Pier, making them easily accessible. From Bangkok, it’s just a 2.5 to 3-hour drive.

These islands are lined up in order from closest to farthest from the shore and can be reached by speedboat in just 15–30 minutes.

🅿️ Parking: Plenty of parking options near the piers. Most charge around 50–100 THB per day.

Here’s the distance and speedboat travel time from Ban Phe Pier to each island.

1. Bangkok → Ban Phe Pier (by car)

2. Ban Phe Pier → Koh Mun Nok (or other islands) by speedboat: Travel time: 30 – 40 minutes (depending on the island)

3. Total travel time (non-stop trip): Approximately 3 – 3.5 hours: That’s all it takes to set foot on white sand and swim in crystal-clear waters!

This is the golden season to visit the Mun Islands when nature is at its best.

As this is the most popular time to visit, book your accommodation and boats in advance, especially stays on Koh Mun Nok or tour packages to Koh Mun Klang. Platforms like Traveloka or major tour booking apps are useful for planning.

Many fear the rainy season, but in reality, it doesn’t rain every day! You might get sunny days, crystal-clear water, and surprisingly low prices.

Proper preparation before heading to the Mun Islands not only makes your trip more convenient, but also ensures you enjoy every moment without missing any must-do activities. Here are the essential tips to help you get ready.

The Mun Islands are a delicate marine ecosystem, home to pristine coral reefs, clean beaches, and rare marine wildlife. To help preserve this natural beauty for generations to come, all visitors must follow these essential rules. These are not meant to be a burden — they help ensure your trip is sustainable and nature-friendly.

Even though they may look harmless, taking shells, rocks, or pieces of coral damages the ecosystem.

Whether it’s tropical fish, sea turtles, seabirds, or tiny hermit crabs, feeding marine life is strictly prohibited, even if your intentions are good.

If life in the city feels too fast, if honking cars are too loud, if your phone screen is too bright, and your heart feels too tired — the Mun Islands may not be the most famous destination, but they’re probably the most perfect one for pressing pause on life. Just a 3-hour drive from Bangkok and a 30-minute boat ride, and you’re already surrounded by turquoise waters and peace. Whether it’s Koh Mun Nok, Koh Mun Klang, or Koh Mun Nai, make your Mun Island escape easy by booking your Rayong hotels through Traveloka today.