15 Sihanoukville Unexplored Islands You Must Visit
Discover Sihanoukville’s unexplored islands, featuring pristine beaches, lush landscapes, and hidden gems for your next tropical adventure.

On this page
Sihanoukville is renowned for its beautiful beaches and vibrant nightlife, but just beyond the hustle and bustle lie numerous unexplored islands waiting to be discovered. These hidden islands are perfect for travelers looking to escape the crowds and experience the natural beauty and tranquility of coastal Cambodia. From pristine beaches with crystal-clear waters to lush jungles and unique wildlife, Sihanoukville’s unexplored islands offer an idyllic getaway. Join us as we unveil 15 must-visit islands that showcase the hidden gems of this tropical paradise.
1. Koh Rong Sanloem
Koh Rong Sanloem is among the Sihanoukville unexplored islands that you simply cannot miss. Located just a short boat ride from the bustling Sihanoukville, this island offers a perfect blend of tranquility and beauty. Unlike its more famous neighbor, Koh Rong, Sanloem is less crowded, allowing you to bask in its serene atmosphere. Here, you can explore untouched beaches, crystal-clear waters, and vibrant coral reefs, making it an ideal spot for swimming and snorkeling.
Moreover, waking up on Koh Rong Sanloem means greeting the day with stunning sunrises and an opportunity to enjoy peaceful walks along the beach. You can also indulge yourself in fresh seafood at local eateries, adding a flavorful experience to your island adventure. Furthermore, the friendly locals are always ready to share their stories, giving you deeper insights into the island’s culture.
A visit to Koh Rong Sanloem isn’t just about relaxation; it’s a chance to connect with nature in an untouched paradise.
2. Koh Ta Kiev
Koh Ta Kiev is yet another gem among the Sihanoukville unexplored islands. This less-visited island is ideal for those seeking off-the-beaten-path experiences. With its pristine beaches and lush jungles, Koh Ta Kiev offers the perfect backdrop for adventurers and nature lovers alike. Furthermore, the island is home to a few eco-friendly bungalows that merge well with the natural surroundings. This allows visitors to immerse themselves in the quiet beauty of the island while enjoying basic comforts.
Activities on Koh Ta Kiev include kayaking, hiking through the jungle trails, and exploring secluded beaches. You can also take your time to unwind and soak in the sun by taking leisurely strolls on the shoreline. Importantly, the sense of isolation and peace here feels rejuvenating, making it a great spot for reflection and relaxation.
As you explore Koh Ta Kiev, remember: sometimes the most rewarding experiences are found in places less traveled.
3. Koh Russey
Koh Russey, also known as Bamboo Island, is one of the charming Sihanoukville unexplored islands, perfect for those who love peaceful retreats in the embrace of nature. This island boasts a stunning white sandy beach lined with swaying palm trees, offering you a picture-perfect escape from everyday life. With no flashy resorts or crowded attractions, Koh Russey communicates a sense of solitude that is rare in today’s fast-paced world.
The islands around Koh Russey are ideal for adventure, with opportunities for snorkeling, diving, and exploring vibrant marine life. Furthermore, you can visit the nearby fishing villages for a taste of local culture and fresh seafood delicacies. The friendly atmosphere and laid-back vibe make Koh Russey a top spot for travelers looking to unwind.
Visiting Koh Russey is not just another trip; it’s a way to reconnect with the Earth, making it a must-visit for nature lovers.
4. Koh Rong
💡 Pro Tip: Book your Sihanoukville adventures in advance through Viator for the best deals!
Koh Rong is one of the most enchanting Sihanoukville unexplored islands that deserves your attention. Known for its breathtaking beaches and vibrant marine life, this island is a paradise for nature lovers and adventure seekers alike. To get there, simply take a short boat ride from Sihanoukville, which adds to the excitement of your journey.
Once you arrive, you’ll be greeted with white sandy beaches and crystal-clear waters. This is the perfect spot for snorkeling, diving, or simply soaking up the sun. Furthermore, keep an eye out for the mesmerizing bioluminescent plankton that illuminates the waters at night. It’s a natural wonder that many visitors find magical.
For those craving tranquility, Koh Rong also has secluded areas where you can escape the crowds. Take a hike through the lush jungle trails, and you will discover peaceful spots perfect for relaxation.
Exploring the local culture is another must-do in Koh Rong. Engage with local fishermen or try some fresh seafood dishes at the beachside restaurants. Koh Rong offers the chance to experience a slice of island life that feels untouched and vibrant. Don’t miss out on this remarkable gem!
5. Koh, Prong
Koh Prong is a hidden gem among the Sihanoukville unexplored islands. This charming island is relatively quiet and offers a perfect escape for those looking to avoid the hustle and bustle. The serene atmosphere will take you away from the stresses of daily life, allowing you to enjoy nature to its fullest.
Accessible by boat, Koh Prong’s soft sandy shores invite visitors for relaxation and exploration. The island is surrounded by clear blue waters, making it an ideal spot for swimming, kayaking, or simply enjoying a peaceful day at the beach. Additionally, the lush greenery invites you to wander along the small hiking paths.
As you explore, consider bringing a picnic to enjoy on the beach. With very few other tourists around, you might just feel like the island is all yours!
Visiting Koh Prong allows you to connect with nature and take in its beauty without distractions. If you’re seeking an escape to tranquility, this island should certainly be on your list!
6. Koh Pos
Koh Pos is another intriguing addition to the list of Sihanoukville unexplored islands. This island is relatively small but offers a unique experience, especially for adventurous souls. Positioned just off the coast of Sihanoukville, it is easily accessible by boat.
Once you arrive, you’ll notice pristine beaches and tranquil waters, perfect for a day of sunbathing. The island isn’t overcrowded, which means you can often have a section of the beach all to yourself! Also, the surrounding waters are great for snorkeling, where you can witness diverse marine life beneath the surface.
For the more adventurous, consider a short hike to explore the island’s interior. While the trails are not well-known, they offer a chance to see local wildlife and stunning natural scenery.
Don’t forget your camera, as Koh Pos also has some challenging but rewarding viewpoints. You’ll want to capture the beauty of this hidden paradise. Koh Pos exudes charm, making it an excellent choice for a day of adventure or relaxation. So, mark this island as a must-see on your journey through Sihanoukville!
7. Koh Damlong
💡 Pro Tip: Book your Sihanoukville adventures in advance through Viator for the best deals!
Koh Damlong is a hidden gem among the Sihanoukville unexplored islands. It offers visitors a chance to escape the hustle and bustle of city life while immersing themselves in nature. With its pristine beaches and calm waters, Koh Damlong is a perfect spot for relaxation. It’s a relatively small island, which means you can explore it in a day or simply find a sheltered spot and unwind.
Moreover, the island features stunning coral reefs, making it an ideal destination for snorkeling enthusiasts. You might encounter vibrant marine life, including colorful fish and intriguing underwater formations. Additionally, soft white sands stretch along the shoreline, inviting visitors to dip their toes into the warm waters.
For a truly memorable experience, pack a picnic and enjoy it on the beach as the sun sets, painting the sky with brilliant colors.
If you’re looking for tranquility away from the crowds, Koh Damlong is calling your name. With its serene atmosphere, it’s a must-visit on your next island-hopping adventure!
8. Koh Chraloh
Koh Chraloh, another of Sihanoukville’s unexplored islands, is a delightful spot for those in search of unspoiled beauty. Unlike more touristy islands, Koh Chraloh remains largely untouched and showcases the raw beauty of coastal Cambodia. As you approach, the island’s lush greenery and sandy shores immediately draw you in.
Here, you can enjoy various activities such as trekking through jungle trails or exploring tranquil beaches that seem to go on forever. The island is also perfect for those who love to take photographs. Every corner presents another picturesque view, ideal for those Instagram posts you want to show off!
Plan to stay on the island for a while, as the peaceful surroundings and mesmerizing sunsets will surely steal your heart.
Overall, Koh Chraloh is the perfect escape for nature lovers and adventure seekers alike. So, grab your gear, friends, and get ready for an unforgettable experience.
9. Koh Thmei
Koh Thmei is yet another captivating island that belongs to the list of Sihanoukville unexplored islands. Its stunning beaches and natural surroundings create a peaceful sanctuary away from the usual tourist traps. The island is part of the Ream National Park, providing a unique ecosystem that’s home to numerous wildlife species.
One of the unique features of Koh Thmei is its mangrove forests, which are perfect for kayaking. This activity allows you to get up close to the flora and fauna while enjoying the calm waters. Moreover, the sandy beaches are untouched and perfect for sunbathing or taking a peaceful stroll.
Don’t forget to pack your camera; the sunsets on Koh Thmei are legendary, painting the sky with hues of orange and pink.
In addition to its natural beauty, Koh Thmei presents an opportunity for captivating beachside camping. So, if you’re itching for an unforgettable adventure immersed in nature, make your way to Koh Thmei!
10. Koh Ouen
Koh Ouen is one of the Sihanoukville unexplored islands that offers a breathtaking escape into tranquility. Nestled in the turquoise waters of the Gulf of Thailand, Koh Ouen remains relatively untouched, making it an ideal destination for those looking to escape from the bustling crowds. This serene island is characterized by its stunning beaches, swaying palm trees, and vibrant marine life.
To reach Koh Ouen, you can take a short boat ride from Sihanoukville or Koh Rong. The journey itself is part of the adventure! Upon arrival, you’ll be greeted by soft white sands and crystal-clear waters that invite you to dive in. Snorkeling and swimming here are a must, as the underwater scenery is nothing short of spectacular.
For a perfect day on Koh Ouen, pack a picnic and enjoy it by the beach while soaking up the sun.
As the sun sets, the island takes on a magical atmosphere. Watching the sunset from the shore is an experience you won’t want to miss. Koh Ouen is truly a hidden gem for those keen to explore the lesser-known islands of Sihanoukville.
11. Koh Alep
Koh Alep is another fantastic addition to your list of Sihanoukville unexplored islands. This island is small but teeming with natural beauty and charm. If you’re seeking a quiet retreat where nature thrives, then Koh Alep is just the perfect spot. With its dense vegetation and rugged terrain, the island offers a unique off-the-beaten-path experience.
The pristine beaches are less frequented, letting you enjoy a peaceful day in complete serenity. You can even hike along the trails that crisscross the island, revealing hidden viewpoints that are great for photography. Additionally, the island is perfect for birdwatching, with various species flitting through the trees.
Koh Alep is highly recommended for those who love adventure and appreciate nature.
Because of its relatively untouched status, ensure to bring your own supplies as amenities can be limited. The charm of Koh Alep lies in its simplicity and the raw beauty that surrounds you.
12. Koh Daeum
💡 Pro Tip: Book your Sihanoukville adventures in advance through Viator for the best deals!
If you venture further to the south, Koh Daeum welcomes you with its unspoiled landscapes and tranquil waters. This is one of the less-visited Sihanoukville unexplored islands that promises a truly authentic experience. The allure of Koh Daeum lies in its focus on natural beauty, rather than touristy attractions.
This small island features beautiful sandy beaches lined with lush greenery. It’s the perfect place for peaceful activities like sunbathing, reading, or simply relaxing to the sound of the waves. The rich marine biodiversity also makes Koh Daeum a prime spot for snorkeling, allowing you to explore vibrant coral reefs and colorful fish.
Don’t forget to bring your camera; the views on Koh Daeum are picture-perfect!
As night falls, the stars illuminate the sky, creating a magical ambiance. Choose Koh Daeum if you’re longing for an escape that rejuvenates your spirit amidst nature’s embrace.
13. Koh Bos
Koh Bos is one of the Sihanoukville unexplored islands that promises seclusion and untouched beauty. Located a bit off the mainland, this island is a hidden gem for those seeking tranquility. The pristine beaches are kissed by soft waves, making it an ideal spot for relaxing or simply soaking in the sun.
Exploring Koh Bos unveils stunning coral reefs that welcome snorkelers and divers. Moreover, you will be amazed by the diverse marine life darting around, making each underwater venture a vibrant experience. Most visitors find that the island is sparsely populated, allowing for a personal connection with nature.
For a taste of local culture, consider interacting with the few islanders who live here. They can share stories about daily life on Koh Bos, enriching your travel experience. Since dining options are limited, be sure to pack some snacks or enjoy a picnic on the beach!
“Koh Bos is a serene escape, a place where you can disconnect from the world and reconnect with nature.”
14. Koh Preah
If you’re looking to explore more of the Sihanoukville unexplored islands, then Koh Preah should definitely be on your list. This island offers stunning natural landscapes, including lush green hills and crystal-clear waters. It’s a paradise for nature lovers and photographers alike.
On Koh Preah, you can indulge in various activities such as trekking through its dense forests or lounging in the sun. The ambiance here is peaceful, which allows you to unwind and bask in the tranquility that this island provides. The soft sands and gentle waves are perfect for a beach day filled with relaxation.
Due to its lesser-known status, Koh Preah offers the chance to experience authentic Cambodian island life. Don’t be surprised if you catch glimpses of intriguing wildlife, as the island is home to a variety of species. Make sure to pack your sunblock and enjoy the allure of Koh Preah!
15. Koh Kapas
Koh Kapas is often referred to as a hidden treasure among the Sihanoukville unexplored islands. It’s perfect for those who enjoy peaceful getaways surrounded by nature. The island is small yet enchanting, with gorgeous beaches that invite you to relax and soak in the sun.
This idyllic setting is ideal for day trips, where activities like snorkeling and swimming can be enjoyed. The waters here are calm and inviting, making it a safe place for families and solo travelers alike. Plus, the white sandy beaches provide ample space to unwind while taking in a stunning view.
As you explore Koh Kapas, you’ll feel a special connection with the local community. The islanders are warm and welcoming, making your visit tremendously enjoyable. Don’t forget to indulge in some local dishes, as they’re known for their exquisite flavors and freshness!
“Koh Kapas is a slice of paradise where time slows down, perfect for those who need an escape.”
Sihanoukville’s unexplored islands reveal a treasure trove of natural beauty and serenity for those seeking an escape from the ordinary. With stunning landscapes, diverse marine life, and tranquil beaches, these islands are a must-visit for any travel enthusiast. Have you explored any hidden islands in Sihanoukville? Share your experiences and let us know your favorite spots to inspire fellow travelers!