7 Cambodian Islands That Are Beautiful, Accessible, and Worth the Trip

Cambodia, often associated with its majestic temples and rich history, also has a number of idyllic islands bordered by the Gulf of Thailand, offering pristine beaches and breathtaking scenery. While some islands in the region, such as its Thai neighbors, are famous for their natural beauty, it's important to note that not all of them are worth a visit or offer easy access.

However, among this selection, a few islands stand out for their rugged beauty, accessibility, and the unique experiences they offer. Here is a selection of the best islands in Cambodia to discover during your stay.

Written by Preetika Narula (Local Expert)Updated on 20-06-2025

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Koh Rong

Koh Rong, located in the Gulf of Thailand about 25 km from Sihanoukville, is Cambodia’s second largest island.

The island is known for its hilly terrain, lush rainforests, and over 40 km of stunning white sandy beaches. The crystal-clear waters, with their striking blue hue, beautifully contrast with the soft white sand, creating a scene that looks straight out of a postcard.

Still largely untouched by mass tourism, Koh Rong offers a peaceful and authentic experience for those looking to escape the crowds.

Koh Rong is easily reached by ferry from Sihanoukville, with a 45-minute to 1-hour crossing. Ferries run regularly, and once on the island, you can get around by water taxi, walking, or scooter, as there are no developed roads.

Long Set Beach is a popular spot for relaxing by clear waters and coconut trees. Further west, Sok San Beach offers fine sand and great snorkeling. In the evening, don't miss the bioluminescent plankton.

Koh Rong has activities like diving, snorkeling, and hiking, plus visits to fishing villages such as Koh Tuich and Sok San, where you can experience local life. These villages are accessible on foot or by boat.

📌 For more details, check out the guide on what to do and see in Koh Rong.

Koh Rong Samloem 

Located 25 km from Sihanoukville, Koh Rong Samloem is a tranquil island with 9 km of coastline, white sandy beaches, turquoise waters, and stunning rock formations.

Must-see spots:

• Saracen Bay: A 3 km crescent bay with beach resorts.
• Lazy Beach & Sunset Beach: Secluded beaches perfect for snorkeling and relaxation.
• M'Pai Bay: A small fishing village for an authentic island experience.

The island is great for diving and snorkeling, with vibrant marine life, including seahorses and bioluminescent plankton at night.

Accessible by boat from Sihanoukville (45-60 minutes), Koh Rong Samloem runs on generators and solar power but offers stable internet in Saracen Bay.

>>> Learn more about: 8 things in Koh Rong Samloem

Koh Ta Kiev

Just a short boat ride (30-45 minutes) from Sihanoukville, Koh Ta Kiev is a peaceful, unspoiled island in the Gulf of Thailand. Largely untouched by tourism, it’s perfect for travelers seeking simplicity and raw nature.

The island has no roads or concrete, only sandy paths, secluded beaches, and rustic bungalows nestled between jungle and lagoon. Electricity is limited, and internet is nearly non-existent. At night, the campfire and bioluminescent plankton light up the surroundings.

Notable beaches include Long Beach, Last Point, and Kactus Beach, ideal for swimming, napping under casuarina trees, or snorkeling in peace. For the adventurous, trails lead to a quiet fishing village or to Elephant Rock for stunning views.

📌 For more details and practical tips: Koh Ta Kiev - all you need to know.

Koh Krabey

Koh Krabey is an exclusive island, just 15 minutes by boat from Cambodia’s southern coast. Managed by Six Senses Krabey Island, it offers privacy, tranquility, and a luxury seaside experience.

The 12-hectare island features pristine beaches, lush vegetation, and stunning sea views. Six Senses offers private pool villas, a world-class spa, fine dining, and activities like water sports, yoga, and boat trips.

Perfect for couples, families, or wellness lovers seeking luxury and serenity.

🏝️ Discover our exclusive 10-day Cambodia package, with an extension to Koh Krabey at Six Senses.

Song Saa

Located off Sihanoukville in the Koh Rong archipelago, Song Saa is a private island exclusive to resort guests. Accessible by speedboat (45 minutes) or helicopter, it offers a secluded, luxurious getaway.

The island, which consists of two islets joined by a wooden bridge, has clean waters, tropical forest, and immaculate beaches. The villas in the resort are constructed using local crafts and repurposed wood, demonstrating their sustainable construction.

Everything on Song Saa promotes a connection with nature: a restaurant with local ingredients, a spa surrounded by greenery, and activities like kayaking, diving, and hiking, plus private dinners under the stars.

With only 24 villas, each featuring a private pool, Song Saa offers a refined, peaceful retreat.

Koh Tonsay

Just 30 minutes by boat from Kep, Koh Tonsay (Rabbit Island) offers a laid-back getaway with fine sandy beaches, coconut trees, and simple bungalows. A few restaurants serve fresh seafood, a local delicacy, and the island is perfect for a peaceful walk around its coves.

While not a luxury destination, Koh Tonsay is an ideal spot for a quiet day trip, especially if you're already in Kep.

📌 Koh Tonsay – Rabbit Island: A simple, serene escape.

Koh Dach

Just a 30-minute boat ride from Phnom Penh, Koh Dach, also known as Silk Island, offers a peaceful escape from the city's hustle. Located on the Mekong River, it’s a great spot to experience traditional Cambodian village life.

The island is famous for its silk craftsmanship. Visitors can explore local weaving workshops and witness the entire process, from silkworm cultivation to the creation of finished products. It's a unique chance to learn about the art of Cambodian silk and purchase handmade items like scarves and clothing, perfect for souvenirs or gifts.

📌 All you need to know about: Koh Dach

Best time to visit the islands of Cambodia

The best time to visit Cambodia’s islands is from November to April, during the dry season. This period offers sunny days and moderate temperatures, making it perfect for enjoying the beaches and outdoor activities.

In contrast, the rainy season (especially July and August) can make some islands harder to reach, and weather conditions may limit your excursions. For the best experience, plan your visit during the dry season.

In Conclusion,

Cambodia’s islands offer pristine beaches and stunning views, ideal for a peaceful getaway. These unspoiled destinations provide a chance to experience Cambodia in a more relaxed, authentic way, perfect for those seeking nature and tranquility.

📌 Read also:

• Cambodia Tourist Map: all you need to know about the places to visit
• 3-week trip to Cambodia: in the footsteps of the land of the temples of Angkor
• Diving in Cambodia: Activities, Prices and Best Sites
• All about Khmer New Year (Chol Chnam Thmey)
• Family trip to Cambodia: everything you need to know before you go
• Top 10 Luxury Hotels in Cambodia: From Jungles to Islands
• Amok, the iconic flavor of Cambodia wrapped in banana leaf