If you’re planning a trip, start with our complete Thailand travel guide, which covers the best places to visit, itineraries, costs, seasons, and essential travel tips for first-time visitors.
Are you tired of visiting the same old tourist spots in Thailand? Maybe you dream of discovering those hidden gems that most travelers miss. That’s exactly why I put together this list of 12 Hidden Thailand Islands You Didn’t Know Existed. These islands are off the beaten path and are packed with natural beauty, unique cultures, and breathtaking landscapes. You won’t believe how stunning some of these places are, especially number 7—it might just take your breath away!
If you’re someone who craves adventure and seeks out the road less traveled, this post is for you. Whether you’re a seasoned backpacker or planning your first getaway, these secret islands will excite your inner explorer. You’ll find secluded beaches, charming local communities, and experiences you won’t easily forget. Forget the crowds and embrace the tranquility that these hidden islands offer.
By reading this post, you’ll gain insights into some of Thailand’s lesser-known islands, each with its own unique charm and allure. I’ll share not just the names but also what makes each island special, so you can plan your next trip with confidence. Get ready to discover travel secrets that will elevate your Thailand experience to a whole new level.
So grab a pen, take notes, and let’s uncover these hidden treasures together!
Planning a trip to Thailand? Make sure you’re covered — see our Thailand travel insurance guide for UK travellers.
Key Takeaways
– Discover 12 stunning islands in Thailand that aren’t on the usual tourist radar.
– Each island features unique landscapes and activities perfect for adventurous travelers.
– Enjoy a mix of serene beaches, lush jungles, and rich cultural experiences.
– Number 7 on the list will surprise you with its beauty and local lore.
– Perfect for anyone looking to escape the crowds and immerse themselves in nature.
Contents
- 1. Koh Yao Noi
- 2. Koh Kood
- 3. Koh Lipe
- 4. Koh Mook
- 5. Koh Chang
- 6. Koh Phayam
- 7. Koh Tarutao
- 8. Koh Yao Yai
- 9. Koh Mak
- 10. Koh Lanta
- 11. Koh Sam Roi Yot
- 12. Koh Thalu
1. Koh Yao Noi

Koh Yao Noi is a hidden gem between Phuket and Krabi, where tranquility reigns. You’ll find lush rice paddies and impressive limestone cliffs that create a stunning landscape. Rent a bike to explore the island’s charming fishing villages and discover quiet beaches. Pinterest is buzzing with this island’s sunset views, which fill the sky with brilliant colors, making it a perfect spot for relaxation.
To make the most of your visit, consider kayaking through the mangroves or hopping on a boat tour around Phang Nga Bay for breathtaking sights. Local seafood at beachside restaurants is both delicious and budget-friendly. This serene island will make you feel rejuvenated, perfect for escaping the hustle and bustle of everyday life.
• Choose bicycles to explore at your own pace.
• Enjoy local seafood at beachside eateries.
• Capture sunset views for unforgettable memories.
• Discover mangrove kayaking for adventure.
Koh Yao Noi is a paradise for those seeking peace and stunning natural beauty.
Koh Yao Noi
Editor’s Choice
Hiearcool Waterproof Phone Pouch, Waterproof Phone Case for iPhone 17 16…
Amazon$7.99
G4Free 20L Lightweight Packable Backpack Travel Hiking Daypack Foldable …
Amazon$15.99
Intex 68307EP Explorer K2 Inflatable Kayak Set: Includes Deluxe 86in Alu…
Amazon$179.992. Koh Kood

Koh Kood is often called Thailand’s best-kept secret, and you’ll see why once you arrive. With its untouched beaches and lush nature, the island feels like a slice of paradise. You can find hidden waterfalls and explore dense jungles that are perfect for adventure. The beaches invite you to relax, while snorkeling reveals colorful coral reefs teeming with life.
For a budget-friendly experience, check out local beach shacks for fresh, delicious meals. Renting a motorbike allows you to easily explore the island at your own pace. Koh Kood is perfect for those who love nature and want to unwind on beautiful shores.
• Visit Klong Chao Waterfall for a refreshing swim.
• Rent a motorbike for easy island exploration.
• Look for wildlife while wandering the trails.
• Savor fresh seafood at local eateries.
Koh Kood offers a peaceful retreat that connects you with nature.
Koh Kood
Editor’s Choice
HEETA Dry Bag Waterproof for Women Men, 5L/10L/20L/30L/40L Roll Top Ligh…
Amazon$9.99
Snorkeling Gear Set for Adults – Dry Top Snorkel Set, Panoramic Anti-Fog…
Amazon$24.35
Wise Owl Outfitters Camping Hammock – 500lbs Portable Hammock with Tree …
Amazon$29.993. Koh Lipe

Known as the Maldives of Thailand, Koh Lipe boasts beautiful beaches and a laid-back atmosphere. You’ll find three main beaches, each with its own vibe—Sunrise Beach is lively, while Sunset Beach offers tranquility. The clear waters are perfect for snorkeling, and you can even take a boat to explore nearby islands like Koh Adang.
Sample delicious Thai dishes at local restaurants, and don’t miss the evening walking street for unique crafts and tasty street food. Koh Lipe is a haven for beach lovers and adventurers alike, making it an unforgettable destination.
• Explore Sunrise Beach for a lively atmosphere.
• Book a boat tour for island hopping adventures.
• Go on a guided diving tour to see marine life.
• Visit the walking street for local flavors.
Koh Lipe is ideal for those seeking a blend of relaxation and adventure.
Fun fact: Koh Lipe lives up to its Maldives of Thailand nickname with three main beaches—Sunrise (lively) and Sunset (tranquil) among them—and crystal-clear waters perfect for snorkeling. A quick boat ride to Koh Adang unlocks more hidden coves and unforgettable sunsets.
Koh Lipe
Editor’s Choice
Snorkeling Gear Set for Adults – Dry Top Snorkel Set, Panoramic Anti-Fog…
Amazon$24.35
HEETA Dry Bag Waterproof for Women Men, 5L/10L/20L/30L/40L Roll Top Ligh…
Amazon$9.99
Lonely Planet Thailand: Detailed Itineraries | Travel Like a Local | Ins…
Amazon$23.694. Koh Mook

Koh Mook, part of the Trang Islands, is famous for the Emerald Cave, a magical spot accessed by swimming through a cave tunnel. Discovering the hidden beach inside the cave is an unforgettable experience. This quiet island is home to friendly locals and charming bungalows, inviting you to unwind.
Spend your days lounging on pristine beaches or snorkeling in nearby spots filled with colorful fish. Enjoy the relaxed vibe, making it perfect for anyone looking to escape the hustle and bustle.
• Join a cave tour to explore the Emerald Cave.
• Taste local dishes at beachside restaurants.
• Perfect for a romantic getaway or solo retreat.
• Relax on pristine beaches for ultimate peace.
Koh Mook is a must-visit for those seeking adventure and natural beauty.
Koh Mook
Editor’s Choice
Greatever Dry Snorkel Set,Panoramic Wide View,Anti-Fog Scuba Diving Mask…
Amazon$31.99
HEETA Dry Bag Waterproof for Women Men, 5L/10L/20L/30L/40L Roll Top Ligh…
Amazon$9.99
Durable Hammock 400 lb Capacity, Nylon Camping Hammock Chair – Double or…
Amazon$11.995. Koh Chang

Koh Chang is the second-largest island in Thailand, offering a perfect blend of adventure and relaxation. Its mountainous terrain and lush rainforests invite you to hike, dive, and soak up the sun on its sandy beaches. This island is less commercialized than others, making it ideal for nature lovers.
Explore Klong Phanom National Park for hiking trails or simply lounge on the serene beaches. Try local seafood at rustic eateries and take boat trips to nearby islands for snorkeling. Koh Chang is perfect for those who want to enjoy nature and adventure without the crowds.
• Discover waterfalls throughout the island.
• Stay in a treehouse for a unique experience.
• Perfect for both adventurers and relaxation seekers.
• Savor local seafood dishes at beach eateries.
Koh Chang is an excellent choice for those seeking an escape into nature.
Koh Chang
Editor’s Choice
Maelstrom Hiking Backpack,Camping Backpack,40L Waterproof Hiking Daypack…
Amazon$35.97
Greatever Dry Snorkel Set,Panoramic Wide View,Anti-Fog Scuba Diving Mask…
Amazon$31.99
Wise Owl Outfitters Camping Hammock – 500lbs Portable Hammock with Tree …
Amazon$29.996. Koh Phayam

Located in the Andaman Sea, Koh Phayam feels like a world away from the busy tourist spots. With beautiful beaches and mangroves, it offers a rustic charm that many travelers crave. The island is car-free, allowing you to explore its scenic shores and vibrant local culture.
Visit Ao Khao Kwai for a peaceful beach day or enjoy the lively Bamboo Beach. Renting a bicycle lets you see the island at your own pace, and you’ll find friendly locals ready to share their culture. Koh Phayam is ideal for a peaceful getaway surrounded by nature.
• Rent a bicycle to explore the island.
• Taste fresh seafood prepared by local families.
• Watch the sunset from the beach.
• Visit hidden beach spots for solitude.
Koh Phayam provides a serene escape into nature.
Koh Phayam proves that the best Thailand islands hide in plain sight—car-free and made for slow days. Rent a bicycle, pedal to Bamboo Beach and Ao Khao Kwai, and let the mangroves and welcoming locals turn every moment into a memorable, practical escape.
Koh Phayam
Editor’s Choice
Bicycle Pump Mini Bike Pump – Aluminum Alloy Cycle Pump for Presta & Sch…
Amazon$9.99
Beach Blanket Waterproof Sandproof Beach Mat 79″ X 83″/10’x9’for 2-8 Adu…
Amazon$22.99
You might also like
7. Koh Tarutao

Koh Tarutao is part of the Tarutao National Marine Park, filled with breathtaking scenery and wildlife. It’s the perfect destination for camping and outdoor activities. With rugged terrain, you can hike trails, discover secluded beaches, and immerse yourself in nature. Often overlooked by tourists, it offers a unique off-the-beaten-path experience.
As you explore, keep an eye out for monitor lizards and diverse bird species. The diving opportunities here are exceptional, with vibrant coral reefs waiting to be explored. Koh Tarutao is perfect for eco-tourism and adventure seekers.
• Bring your camping gear for an overnight stay.
• Kayak in the clear waters surrounding the island.
• Discover unique wildlife during your hikes.
• Ideal for nature lovers and adventure enthusiasts.
Koh Tarutao is a great choice for those seeking a thrilling outdoor experience.
Hidden gem vibes hit different on Koh Tarutao—crowds fade, adventures stay. Pro tip: hike at dawn, camp near beaches, and keep an eye out for monitor lizards while you soak in the pristine scenery of Tarutao National Marine Park.
Koh Tarutao
Editor’s Choice
SZHLUX Camping Hammock Double & Single Portable Hammocks with 2 Tree Str…
Amazon$13.99
HEETA Dry Bag Waterproof for Women Men, 5L/10L/20L/30L/40L Roll Top Ligh…
Amazon$9.99
Pohaku Multitool Knife, Pohaku 13 in 1 Pocket Multitool, Multi Tool with…
Amazon$9.998. Koh Yao Yai

Sister island to Koh Yao Noi, Koh Yao Yai offers larger beaches and a rustic charm. You’ll enjoy a more authentic experience as this island is less developed. Engage with locals by joining in fishing or rice farming activities, which gives you a taste of local life.
The beaches provide breathtaking views of Phang Nga Bay, perfect for beach hopping. Renting a scooter lets you uncover hidden spots where you can relax. Koh Yao Yai is an ideal retreat for those seeking a slice of traditional Thai island life.
• Rent a scooter to explore the island.
• Dine at hidden eateries for local flavors.
• Capture sunset photos along the coast.
• Experience local culture through fishing or farming.
Koh Yao Yai offers a beautiful escape into nature and local traditions.
Koh Yao Yai
Editor’s Choice
INIU Portable Charger, Ultra Slim 10000mAh 45W PD Power Bank, USB C in&O…
Amazon$18.69
Hiearcool Waterproof Phone Pouch, Waterproof Phone Case for iPhone 17 16…
Amazon$7.99
Fodor’s Essential Thailand: with Cambodia & Laos (Full-color Travel Guide)
Amazon$22.259. Koh Mak

Koh Mak is a small, peaceful island near Koh Kood, known for its clear waters and laid-back vibe. It’s a perfect place for relaxation with its white sandy beaches. You can spend your time swimming, snorkeling, or lounging in a hammock with a book.
Enjoy fresh seafood and delicious Thai dishes at local dining spots, making it a delight for food lovers. Koh Mak’s friendly community welcomes visitors, making it ideal for couples or solo travelers seeking tranquility.
• Visit coconut plantations for a unique experience.
• Engage with the friendly locals in the community.
• Perfect for couples or solo travelers.
• Relax on beautiful beaches for peace.
Koh Mak is a hidden gem that promises a serene escape.
Koh Mak
Editor’s Choice
Durable Hammock 400 lb Capacity, Nylon Camping Hammock Chair – Double or…
Amazon$11.99
Snorkeling Gear Set for Adults – Dry Top Snorkel Set, Panoramic Anti-Fog…
Amazon$24.35
Lonely Planet Thailand: Detailed Itineraries | Travel Like a Local | Ins…
Amazon$23.6910. Koh Lanta

Koh Lanta is a quieter alternative to Koh Phi Phi, yet it offers stunning beaches and a relaxed atmosphere. With long stretches of sandy shores, you can rent a scooter to explore hidden gems, local restaurants, and enjoy vibrant sunset views. The island’s natural beauty and welcoming locals create a friendly environment for travelers.
Nearby diving spots and beautiful coral reefs make it a paradise for water enthusiasts. Don’t miss the Old Town for local crafts and culture.
• Explore the Old Town for local crafts.
• Visit the Lanta Animal Welfare center for a unique experience.
• Participate in yoga retreats available on the island.
• Enjoy local restaurants for authentic flavors.
Koh Lanta is perfect for a serene beach escape with a touch of local culture.
Koh Lanta
Editor’s Choice
Fodor’s Essential Thailand: with Cambodia & Laos (Full-color Travel Guide)
Amazon$22.25
Hiearcool Waterproof Phone Pouch, Waterproof Phone Case for iPhone 17 16…
Amazon$7.99
Primasole Folding Yoga Travel Pilates Mat Foldable Easy to Carry to Clas…
Amazon$15.59
You Might Also Like
11. Koh Sam Roi Yot

Koh Sam Roi Yot is famous for its stunning national park filled with limestone mountains, caves, and diverse wildlife. This island is perfect for adventure seekers who love hiking and exploring nature. A highlight is the Phraya Nakhon Cave, which features a royal pavilion that is breathtaking.
You can hike to the cave or take a scenic boat ride, with amazing views along the way. The pristine beaches offer a quiet retreat from bustling crowds, making it an ideal place to relax.
• Don’t forget your camera for stunning views.
• Enjoy bird watching for rare species.
• Explore hiking trails for adventure.
• Relax on quiet beaches for peace.
Koh Sam Roi Yot is a perfect destination for nature lovers.
Koh Sam Roi Yot
Editor’s Choice
4K Underwater Camera 11FT Waterproof Camera with 32GB Card 56MP Autofocu…
Amazon$67.95
Occer 12×25 Compact Binoculars for Adults and Kids, Large Eyepiece Water…
Amazon$28.79
Lightweight Hydration Backpack, Running Backpack with 2L Water Bladder, …
Amazon$24.9912. Koh Thalu

Koh Thalu is a hidden gem in the Gulf of Thailand, known for its crystal-clear waters and beautiful rock formations. This island is less traveled, making it perfect for those seeking a peaceful escape. You can take a day trip to explore the unique rock formations and enjoy snorkeling in vibrant reefs filled with marine life.
Although small, Koh Thalu can be explored in just a few hours, offering tranquility and untouched beauty. It’s an ideal spot for a relaxing day away from the busy tourist areas.
• Perfect for day trips from Koh Tao.
• Great for snorkeling and beach lovers.
• Bring snacks for a beach picnic.
• Discover rock formations for photography.
Koh Thalu is a slice of paradise with serenity and natural beauty.
Koh Thalu
Editor’s Choice
Snorkeling Gear for Adults Men Women,4 in 1 Snorkel Set with Panoramic V…
Amazon$32.24
Beach Blanket Waterproof Sandproof Beach Mat 79″ X 83″/10’x9’for 2-8 Adu…
Amazon$22.99
4K Underwater Camera 11FT Waterproof Camera with 32GB Card 56MP Autofocu…
Amazon$67.95Conclusion

From the tranquil shores of Koh Yao Noi to the secluded beauty of Koh Thalu, Thailand is full of hidden islands begging to be explored. Each offers a unique experience, a chance to connect with nature, and an escape from tourist crowds. For those looking to unveil travel secrets and uncover the authentic side of Thailand, these islands should be at the top of your list.
Whether you’re a solo traveler, a couple, or a family, there’s a perfect island getaway waiting for you. So grab your essentials and get ready to discover these breathtaking hidden gems!
Note: We aim to provide accurate product links, but some may occasionally expire or become unavailable. If this happens, please search directly on Amazon for the product or a suitable alternative.
This post contains Amazon affiliate links, meaning we may earn a small commission if you purchase through our links, at no extra cost to you.
Frequently Asked Questions
What Are Some of the Most Underrated Islands in Thailand Worth Visiting?
If you’re searching for hidden gems in Thailand, you’ll be thrilled to discover islands like Koh Kood and Koh Yao Noi. These less-traveled destinations offer stunning beaches, lush jungles, and a serene atmosphere away from the tourist crowds.
Exploring these islands gives you a chance to experience authentic Thai culture and breathtaking natural beauty. Don’t miss out on the opportunity to unwind in these tranquil havens!
How Do I Get to These Hidden Islands in Thailand?
Getting to the hidden islands of Thailand is easier than you might think! Many islands can be accessed via ferries or speedboats from major hubs like Koh Samui or Krabi.
For the more remote islands, consider booking a private boat tour or checking local travel agencies for organized trips. Always plan ahead, especially during the monsoon season, to ensure a smooth journey!
What Activities Can I Enjoy on Thailand’s Lesser-Known Islands?
The lesser-known islands of Thailand offer a plethora of exciting activities! You can indulge in snorkeling or diving to explore vibrant coral reefs, hike through scenic trails, or simply relax on pristine beaches.
Don’t forget to try local cuisine at small beachside restaurants and connect with friendly locals. Each island has its own unique charm and set of adventures waiting for you!
Are These Hidden Islands Ideal for Budget Travelers?
Absolutely! Many hidden islands in Thailand are perfect for budget travelers. You can find affordable accommodations ranging from charming bungalows to cozy guesthouses.
Eating at local food stalls and exploring on foot can help you save even more. Embrace the off the beaten path experience and enjoy the laid-back vibe while keeping your wallet happy!
What Should I Pack When Visiting Thailand’s Hidden Islands?
Packing for Thailand’s hidden islands requires a mix of essentials and tropical vibes! Be sure to bring lightweight clothing, swimwear, and a good pair of sandals for beach hopping.
Don’t forget your sunscreen, a reusable water bottle, and a camera to capture all the breathtaking views. A light backpack is also handy for day trips to explore the island’s hidden treasures!






Leave a Reply