Hidden Gems of Thailand: Discover the Secret Islands Beyond the Tourist Trail

Stunning aerial view of Phuket's lush hills and coastline under a cloudy sky.

Thailand’s islands are legendary, often conjuring images of bustling Phuket or vibrant Koh Samui. However, scattered across its azure waters lie lesser-known paradises, each offering a unique charm, untouched landscapes, and tranquil retreats away from the crowds. Dive into these hidden gems to discover the Thailand you’ve been dreaming of.


A woman enjoys a scenic sunset ride on a traditional Thai longtail boat in Krabi, Thailand.

1. Koh Lipe: The Southern Gem

Nestled near the Malaysian border, Koh Lipe boasts pristine beaches—Sunrise, Sunset, and Pattaya—perfect for snorkeling and diving. Part of the Tarutao National Marine Park, the island charms with its laid-back vibe, local seafood eateries, and modest accommodations. Accessible via speedboats from Pak Bara, Koh Lipe is a must-visit for those seeking serenity without sacrificing convenience.


2. Koh Phayam: A Step Back in Time

Located in the Andaman Sea, Koh Phayam offers a nostalgic escape reminiscent of old Thailand. Free of cars, this peaceful island is best explored by bicycle or motorbike. With its cashew plantations, mangrove forests, and uncrowded beaches like Ao Yai and Ao Khao Kwai, Koh Phayam promises an authentic, eco-friendly retreat.


3. Koh Mak: The Eco-Friendly Haven

This small island in the Gulf of Thailand prides itself on sustainable tourism. Koh Mak’s 16 square kilometers are packed with coconut groves, tranquil beaches, and a vibrant marine ecosystem. Activities like kayaking, cycling, and snorkeling dominate the itinerary, while accommodations range from boutique resorts to budget-friendly guesthouses.


4. Koh Jum (Koh Phu): A Tale of Two Landscapes

Situated between Krabi and Koh Lanta, Koh Jum is an island of contrasts. The flat southern part exudes tranquility, while the hilly northern region offers lush views. Traditional Thai village life, peaceful beaches, and rustic accommodations make it the perfect getaway for those looking to unplug.


5. Koh Libong: Sanctuary of the Dugongs

Trang Province’s largest island, Koh Libong, is famous for its seagrass meadows that serve as a haven for the endangered dugong. The mangroves and serene beaches also make it a favorite for birdwatchers and nature lovers. Local fishing villages provide a glimpse into a simpler, traditional way of life.


A mother and child relaxing on Ao Nang beach with a scenic limestone backdrop in Krabi, Thailand.

6. Koh Kood (Koh Kut): The Untouched Paradise

Thailand’s fourth-largest island, Koh Kood, remains a well-kept secret. Dense jungles, cascading waterfalls, and crystal-clear waters make it ideal for nature enthusiasts. Its relaxed vibe and absence of nightlife set the tone for a peaceful retreat, with accommodations ranging from homestays to luxurious beachfront resorts.


7. Koh Mook (Koh Muk): The Emerald Cave Adventure

Home to the famous Emerald Cave (Tham Morakot), Koh Mook offers an exciting swim through a dark tunnel to a hidden lagoon. Beyond the adventure, the island boasts white sandy beaches and a welcoming fishing community. Budget-friendly and mid-range accommodations are available, along with delicious local seafood.


8. Koh Ngai (Koh Hai): A Secluded Escape

This small, uninhabited island in the Mu Koh Lanta National Park is a dream destination for divers and snorkelers. Koh Ngai’s clear waters and vibrant coral reefs are matched by its tranquil beaches. Accessible by boat from Trang or Krabi, it’s a peaceful sanctuary with beachfront resorts offering spectacular sea views.


9. Koh Phra Thong: Thailand’s Savannah

Known for its unique savannah-like grasslands, Koh Phra Thong stands out from the typical tropical island vibe. Its golden plains, diverse wildlife, and deserted beaches make it a haven for adventurers and nature lovers. Eco-friendly accommodations ensure the island’s delicate ecosystem remains preserved.


10. Koh Rok: Twin Islands of Adventure

Part of the Mu Koh Lanta Marine National Park, Koh Rok comprises two islands, Koh Rok Nai and Koh Rok Nok. They’re famed for their crystal-clear waters, vibrant marine life, and serene beaches. While no permanent accommodations exist, visitors can camp overnight for a magical stargazing experience.


Colorful longtail boats docked by tropical mountains under a clear sky, perfect vacation scene.

Frequently Asked Questions

1. How can I get to these hidden islands?
Most islands are accessible by boat from nearby mainland piers or larger islands. Options range from ferries to speedboats. It’s best to check schedules and availability, especially during the low season.

2. What types of accommodations are available?
From simple bungalows and guesthouses to eco-friendly resorts, there’s something for every budget. Booking in advance is recommended during peak seasons.

3. What activities can I enjoy?
Snorkeling, diving, kayaking, hiking, and bird-watching are popular. Don’t miss the chance to engage with local communities for a cultural experience.

4. When is the best time to visit?
The dry season, from November to April, offers the best weather. Visiting during shoulder seasons may provide fewer crowds and better deals.

5. Are these islands suitable for families?
Yes, many of these islands are family-friendly, offering safe beaches, comfortable accommodations, and activities suited for all ages.


Embarking on an off-the-beaten-path adventure to these hidden islands unveils a side of Thailand few travelers experience. From emerald caves to savannah landscapes, each destination promises unforgettable memories and a fresh perspective on this tropical paradise. 🌴

Sources Asia Nikkei

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