Beyond Koh Rong: 5 Must-Visit Cambodian Islands
Cambodia, a nation celebrated for its ancient temples and rich history, has also emerged as a captivating destination for island lovers. While the allure of places like Koh Rong and its popular sister island, Koh Rong Samloem, often takes center stage, a wealth of other enchanting Cambodian island destinations await the curious traveler. These less crowded Cambodian islands offer pristine natural beauty, unique cultural experiences, and quiet beaches in Cambodia that provide a tranquil escape from the bustling world.
The country’s tourism sector has experienced remarkable growth and recovery, demonstrating its increasing appeal to international visitors. In 2024, Cambodia welcomed 6.7 million international tourists, marking a significant 22.9% increase compared to 2023. This impressive recovery generated a gross revenue of USD 3.63 billion and contributed 9.4% to Cambodia’s Gross Domestic Product (GDP) [14, 15]. The Ministry of Tourism projects this upward trend to continue, expecting to attract 7 million international visitors by 2025, surpassing pre-COVID-19 pandemic levels. This growth highlights Cambodia’s readiness to offer diverse and memorable experiences, including its stunning coastal gems along the Gulf of Thailand, off Cambodia’s south coast.
For those seeking alternatives to Koh Rong Samloem and a deeper dive into the Must-Visit Cambodian Islands, this comprehensive Cambodia island guide will unveil five remarkable island escapes that promise unforgettable adventures beyond the well-trodden path. These islands are perfect for students and travelers looking for authenticity, natural beauty, and a more serene atmosphere.

5 Must-Visit Cambodian Islands Beyond Koh Rong Samloem
When considering the best Cambodian islands to visit besides Koh Rong Samloem, a selection of unique alternatives stands out for their distinct charm and undeveloped beauty. These islands offer a different pace and experience, making them perfect for those who appreciate tranquility and authentic encounters.
Here are five captivating Cambodian island destinations that promise a memorable escape:

1. Koh Ta Kiev: The Rustic Escape
If you’re wondering which Cambodian islands are less developed or more rustic, Koh Ta Kiev is often the first answer. Located just a short boat ride from Sihanoukville, this island embodies a truly off-the-grid experience. There’s no mains electricity here, and accommodation largely consists of charming, basic bungalows and guesthouses, many run by passionate eco-entrepreneurs. The island’s appeal lies in its simplicity: think quiet coves, dense jungle, and a handful of beachside bars that light up with generators at night, creating a cozy, communal atmosphere. It’s a fantastic Koh Rong alternative for those who prefer understated beauty.
- Highlights:
- Long Beach (Plage Longue): A beautiful stretch of sand perfect for swimming and sunbathing.
- Jungle Trails: Explore the interior with walks leading to hidden beaches and viewpoints.
- Snorkeling & Diving: The clear waters around Koh Ta Kiev offer decent opportunities to explore marine life. Local operators can arrange trips.
- Bio-Luminescent Plankton: On dark nights, swim in the ocean to witness the magical glow of bioluminescent plankton.

2. Koh Russey (Bamboo Island): A Tranquil Retreat
Koh Russey, often referred to as Bamboo Island, lives up to its name with a serene, laid-back vibe. It’s an excellent choice for travelers seeking quiet beaches in Cambodia and an escape from more bustling areas. The island is small enough to walk around in a few hours, boasting a beautiful main beach with fine white sand and calm, clear waters. Development here is minimal, with a few bungalow resorts blending seamlessly into the natural environment. It’s one of the best beaches Cambodia offers for pure relaxation.
- Highlights:
- Main Beach: Ideal for swimming, sunbathing, and enjoying breathtaking sunsets.
- Relaxation: Perfect for unwinding with a book or simply enjoying the peaceful surroundings.
- Fresh Seafood: Enjoy freshly caught seafood prepared by local establishments.

3. Koh Thmei: Wildlife and Seclusion
For adventurers and nature enthusiasts, Koh Thmei presents a truly unique experience. This island is part of the Ream National Park, a protected area on Cambodia’s south coast, making it a haven for wildlife. It’s one of the most underrated Cambodian islands, offering incredible opportunities for birdwatching, with over 150 species recorded. The island is sparsely populated, with only a handful of bungalows and a strong emphasis on ecological preservation. It’s an ideal spot for those seeking genuine tranquility and a chance to connect with nature, far from any crowds.
- Highlights:
- Birdwatching: A prime location for spotting diverse bird species, including kingfishers and white-bellied sea eagles.
- Mangrove Forests: Explore the intricate mangrove ecosystems by kayak.
- Empty Beaches: Enjoy long stretches of deserted golden sand beaches.
- Star Gazing: With minimal light pollution, Koh Thmei offers spectacular night skies.

4. Koh Totang: Eco-Friendly Paradise
Koh Totang is another fantastic option for those seeking less crowded Cambodian islands with an eco-conscious focus. This tiny island emphasizes sustainability, with most accommodations relying on solar power and rainwater harvesting. It’s an ideal destination for digital detoxing and embracing a simpler way of life. The clear waters and healthy coral reefs make it excellent for snorkeling and diving, offering a glimpse into the vibrant marine ecosystem of the Gulf of Thailand. Koh Totang perfectly answers the question of which Cambodian islands are less developed or more rustic, providing an authentic, low-impact travel experience.
- Highlights:
- Sustainable Living: Experience off-grid living with eco-friendly resorts.
- Snorkeling & Diving: Explore the rich coral reefs directly from the shore.
- Hammock Life: Embrace ultimate relaxation in a hammock overlooking the ocean.
- Community Feel: Enjoy the intimate atmosphere with fellow travelers and island residents.

5. Koh Tonsay (Rabbit Island): Local Charm & Relaxation
Just a short boat ride from the charming coastal town of Kep, Koh Tonsay, or Rabbit Island Cambodia, offers a delightful blend of local culture and unspoiled nature. This small, crescent-shaped island is a favorite for day-trippers and those seeking a few nights of laid-back relaxation. The island is dotted with simple, family-run bamboo bungalows and seafood shacks serving incredibly fresh crabs and fish. Its shallow, calm waters are perfect for swimming, and the gentle pace of life here is truly infectious. It’s a wonderful alternative for those who find Koh Rong a bit too lively.
- Highlights:
- Fresh Crab & Seafood: Indulge in the famous Kep crab, freshly caught and cooked.
- Relaxed Atmosphere: Enjoy the slow pace of island life, perfect for unwinding.
- Coastal Walk: Take a leisurely stroll around the island, discovering different viewpoints.
- Swimming: The calm, shallow waters are ideal for a refreshing dip.

Why Explore Alternatives to Koh Rong Samloem?
While Koh Rong Samloem is undoubtedly beautiful and offers a relaxing experience, its growing popularity means it can sometimes feel less ‘undiscovered.’ Many travelers, especially students and those seeking a more authentic or tranquil retreat, are now looking for alternatives to Koh Rong Samloem that offer a different kind of magic. The islands highlighted above, like Koh Ta Kiev and Koh Thmei, cater to this desire for untouched nature, local charm, and a quieter pace, embodying the spirit of underrated Cambodian islands. If you’re wondering “Which is the quietest island in Cambodia?”, then places like Koh Thmei or Koh Totang would be strong contenders.
Comparing Koh Rong or Koh Rong Samloem, Koh Rong is generally known for its more vibrant party scene, while Koh Rong Samloem offers a more relaxed atmosphere. However, even Koh Rong Samloem has seen increased development. The alternatives we’ve explored provide a spectrum of even quieter, more rustic experiences, appealing to those who prefer genuine seclusion and immersion in nature over resort-style amenities.
Navigating Cambodia’s Island Destinations: Your Guide to Getting There
One of the most common questions for prospective visitors is, “How do you get to the Cambodian islands?” The primary gateway to most of Cambodia’s southern islands is Sihanoukville. From Sihanoukville, various ferry and speed boat services connect to the different islands. For a detailed guide on transfers, including schedules and booking information, you can refer to our Sihanoukville Islands Ferry Transfer Guide.
- From Sihanoukville:
- To Koh Ta Kiev, Koh Russey, Koh Thmei, Koh Totang: Most islands can be reached via smaller longtail boats or private transfers arranged through your guesthouse. Some islands have dedicated ferry services, though less frequent than those to Koh Rong or Koh Rong Samloem.
- Pro Tip: Always confirm transfer details with your accommodation in advance, especially for less frequented islands, as schedules can be flexible.
- From Kep:
- To Koh Tonsay (Rabbit Island): Regular longtail boat services depart from Kep pier throughout the day. The ride is short and scenic.
Considering Cambodia island hopping? Planning your routes efficiently will help you maximize your time enjoying these beautiful destinations.

What are the Best Activities on Cambodia’s Less-Known Islands?
The charm of these less-known islands lies in their focus on nature and tranquility. While you won’t find large-scale party scenes, there’s an abundance of serene and adventurous activities to enjoy:
Is Cambodia Good for Island Hopping?
Absolutely! Cambodia offers excellent opportunities for island hopping, especially if you enjoy a mix of rustic charm and unspoiled nature. While a direct ‘Cambodia island hopping tour’ that covers all these specific, less-developed islands might be harder to find, creating your own itinerary is quite feasible and rewarding. You can easily combine a visit to the more popular Koh Rong (for its vibrant atmosphere) or exploring Koh Rong Samloem island escape guide with a few days on a quieter island like Koh Ta Kiev or Koh Tonsay. This allows you to experience the diverse offerings of Cambodia’s southern coast.
Consider starting from Sihanoukville, exploring a couple of islands in that archipelago (like Koh Ta Kiev and Koh Russey), and then heading further east towards Kep for Koh Tonsay. A Cambodia island hopping itinerary could span anywhere from 5 to 10 days, depending on how much time you wish to spend on each island. The small distances between many of the Sihanoukville islands make for convenient transfers.

Planning Your Island Escape: Best Time to Visit Cambodian Islands
The best time to visit Cambodian islands, including these hidden gems, generally aligns with Cambodia’s dry season, which runs from November to May. During these months, you can expect:
The peak season falls between December and February, so if you prefer fewer crowds even on these less-traveled islands, consider visiting in November or late April/early May. The monsoon season (June to October) brings more rain and choppier seas, which can sometimes disrupt boat schedules, though travel is still possible, and you might find even more secluded experiences and lower prices.
Luxury Beyond the Usual: High-End Cambodian Island Options
While the focus of this guide is on less developed alternatives, it’s worth noting that Cambodia’s south coast and its surrounding islands do offer luxury experiences for those seeking upscale indulgence. Beyond the well-known Koh Rong Samloem resorts, islands like Koh Russey (Bamboo Island) host more boutique and environmentally conscious luxury options. Additionally, for an ultra-exclusive experience, Six Senses Krabey Island provides world-class amenities and privacy, showcasing that Cambodia island resorts cater to a full spectrum of preferences. These options cater to different Cambodia island recommendations, ensuring there’s something for every budget and style.
The Significance of Cambodia’s Gulf of Thailand Coastline
Cambodia’s coastal region along the Gulf of Thailand is a vital ecological and economic area. The Gulf itself is a shallow inlet of the South China Sea, bordered by Thailand, Cambodia, Malaysia, and Vietnam [4]. Its waters are rich in marine biodiversity, supporting important fishing grounds and fragile ecosystems like coral reefs, seagrass beds, and mangrove forests. The establishment of marine protected areas, such as the Koh Rong National Marine Park, underscores Cambodia’s commitment to safeguarding these invaluable natural resources [17]. This area, including the Sihanoukville islands, is crucial for both local livelihoods and the nation’s growing ecotourism industry.

Conclusion
While Koh Rong and Koh Rong Samloem rightfully earn their praise as popular Cambodian island destinations, the true magic of Cambodia’s coastline often lies in its lesser-known gems. Islands like Koh Ta Kiev, Koh Russey, Koh Thmei, Koh Totang, and Koh Tonsay offer rich and varied experiences, from rustic eco-escapes to tranquil beach retreats. These underrated Cambodian islands are not merely alternatives; they are primary destinations for those seeking authentic encounters, unspoiled nature, and a peaceful respite.
As Cambodia continues its impressive tourism growth, these unique island havens provide an opportunity to explore the country’s breathtaking beauty in a more intimate setting. So, venture beyond the familiar, embrace the adventure, and discover the Must-Visit Cambodian Islands that await your exploration. For more insights into planning your broader Cambodian adventure, consider checking out our guide to the best places to visit in Cambodia in 2025.
Frequently Asked Questions
Which is the quietest island in Cambodia?
For ultimate tranquility, Koh Thmei and Koh Totang are widely considered the quietest islands in Cambodia. They offer minimal development, few visitors, and a focus on nature and eco-friendly living, providing a serene escape.
How many days do you need in Cambodian islands?
The ideal duration for visiting the Cambodian islands depends on how many you wish to explore and your pace. For one island, 2-3 full days are often sufficient. For a Cambodia island hopping itinerary covering 2-3 islands, plan for 5-7 days to truly relax and enjoy each destination without rushing.
Are there luxury island options in Cambodia beyond Koh Rong Samloem?
Yes, while many alternatives to Koh Rong Samloem lean towards rustic charm, Cambodia does offer luxury island options. Islands like Koh Russey (Bamboo Island) feature upscale boutique resorts, and Six Senses Krabey Island provides an exclusive, high-end experience with world-class amenities.
What are the best activities on Cambodia’s less-known islands?
The best activities on Cambodia’s less-known islands revolve around nature and relaxation. Popular options include snorkeling and diving in clear waters, kayaking through mangroves, jungle trekking to hidden beaches, enjoying fresh seafood, and simply unwinding in a hammock. Stargazing is also a highlight due to minimal light pollution.
Is Cambodia good for island hopping?
Yes, Cambodia is excellent for island hopping, especially if you appreciate a mix of popular and less crowded Cambodian islands. The proximity of many islands off Sihanoukville and the easy connection to Kep allows for flexible itineraries, enabling travelers to experience diverse landscapes and atmospheres within Cambodia island destinations.