9 Beautiful and Less Touristy Thai Islands + Map

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Updated: 7 March, 2025

Thailand is famous for its dreamy beaches and paradise islands, but if you’re looking to escape the crowds and discover hidden gems, you’re in the right place.

In this article, I’ve included the best less touristy Thai islands that are also incredibly beautiful. Each one has its own charm, from white sandy beaches to lush jungles and crystal-clear waters.

The best part? They’re perfect for a budget-friendly vacation in Thailand since accommodations are much more affordable than on popular islands like Phuket or Krabi, and you can get there by ferry.

Thailand Less Touristy Islands

1. Koh Phayam

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Koh Phayam is a hidden gem in the Andaman Sea. This island has a laid-back, bohemian vibe—perfect for unplugging. Its beaches, like Ao Yai and Ao Khao Kwai, are great for surfing or just enjoying the sunset.

You won’t find big resorts here, only simple and cozy bungalows. The island is small, so renting a scooter is the best way to explore it.

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  • How to get there: From Ranong by ferry or speedboat.
  • Best area to stay: Ao Yai, for its peaceful beaches and relaxed atmosphere.

🛳 Insider tip: Use this website to check boat schedules, prices, and book your tickets.

2. Koh Kradan

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If you love diving and snorkeling, Koh Kradan will feel like paradise. Its crystal-clear waters and coral reef full of marine life will leave you speechless. The main beach, with its soft white sand, is perfect for relaxing.

The island is part of the Hat Chao Mai Marine National Park, which helps preserve its natural beauty. Honestly, it’s one of my favorite Thai islands.

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  • How to get there: From Trang by speedboat.
  • Best area to stay: The main beach, for its beauty and easy access.
  • Tour: You can also visit with this day trip from Koh Lanta.

đŸ€‘ If you want to save on your next adventure, use this Booking link to get 15% off your stay.

3. Koh Libong

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If you love nature, Koh Libong will fascinate you. It’s the largest island in Trang province and a sanctuary for dugongs, also known as "sea cows." Here, you can go kayaking, birdwatching, or simply enjoy its peaceful beaches. The island has an authentic feel, far from mass tourism.

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  • How to get there: From Trang by ferry.
  • Best area to stay: The village, for convenience.

4. Koh Kood (Koh Kut)

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Koh Kood is one of Thailand’s largest yet least developed islands. Its waterfalls, like Khlong Chao, are stunning, and its beaches, like Ao Tapao, are among the most beautiful I’ve seen.

This island is perfect if you’re looking for peace and a deep connection with nature. Plus, there are accommodations ranging from simple bungalows to luxury resorts.

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  • How to get there: From Laem Sok in Trat by ferry.
  • Best area to stay: Khlong Chao, for its beaches and nearby waterfalls.

✅ Friendly Tip: Don’t forget to get travel insurance for your next adventure. I recommend Heymondo,—it’s super comprehensive, and with that link, you’ll get 5% off!

5. Koh Mak

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Koh Mak is a small island in the Gulf of Thailand, located between Koh Chang and Koh Kood. It’s known for its family-friendly and laid-back atmosphere. Its beaches are perfect for swimming and snorkeling.

Something that pleasantly surprised me is that there are very few roads, so you can explore the island by bicycle. The local community is welcoming, and the slow pace of life will make you feel right at home.

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  • How to get there: From Laem Ngop in Trat by speedboat.
  • Best area to stay: Ao Suan Yai, for its peaceful vibe and nearby beaches.

6. Koh Jum (Koh Pu)

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Koh Jum is a peaceful and authentic island, perfect for disconnecting. Its beaches, like Long Beach, are spacious and quiet. There aren’t any major tourist attractions here, but that’s part of its charm.

You can spend the day reading a book under a palm tree, watching stunning sunsets, and exploring small fishing villages. What I loved the most were the simple beachfront accommodations.

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  • How to get there: From Krabi by ferry.
  • Best area to stay: Long Beach, for its beauty and tranquility.

7. Koh Yao Noi

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Koh Yao Noi is an island between Phuket and Krabi, but unlike them, it has preserved its traditional charm. The landscape is a mix of beaches, mangroves, and rice fields.

It’s the perfect place to relax by the beach while also enjoying activities like kayaking, hiking, and admiring the breathtaking limestone cliffs surrounding the island.

You’ll find great eco-friendly accommodation options here. Another thing I loved is that it’s the perfect spot to disconnect without feeling too isolated.

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  • How to get there: From Phuket or Krabi by speedboat.
  • Best area to stay: East coast, for its resorts and stunning views.

👍 My two cents: If you’re looking to stay connected during your trip, đŸ€ł I recommend this eSIM for Thailand or this one for Asia both with unlimited data and work perfectly. Just use that link for a 5% discount.

8. Koh Tarutao

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Koh Tarutao is a wild and remote island, part of the Tarutao Marine National Park, making it one of Thailand’s most untouched islands.

You’ll find dense jungles, pristine beaches, and diverse wildlife—perfect if you’re looking for an adventure in pure nature. It’s definitely one of my favorite quiet Thai island.

Interestingly, it was once a prison, but today, it’s a paradise for adventurers. Just be prepared for a rustic experience, as facilities are quite basic.

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  • How to get there: From Pak Bara by ferry.
  • Best area to stay: Ao Son Beach.

9. Koh Bulon Leh

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Koh Bulon Leh is one of the most authentic and undeveloped islands. Its crystal-clear waters and postcard-perfect beaches make it a true hidden paradise. There are no roads or ATMs, and electricity is available only a few hours a day.

Snorkeling here is absolutely amazing, and the sunsets are simply magical. It’s the perfect place if you want to relax and completely disconnect from the world.

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  • How to get there: From Pak Bara by speedboat.
  • Best area to stay: Main beach, for its beauty and easy access.

đŸ€‘ If you want to save on your next adventure, use this Booking link to get 15% off your stay.

Map Thailand Hidden Islands

Final Thoughts

These are the best less touristy Thai islands—true hidden gems in Thailand away from the usual tourist routes, where you can escape the crowds and enjoy breathtaking beaches in a peaceful setting. I hope this article inspires you to explore them!

In this guide to Thailand you can keep reading the main articles I’ve written about this beautiful country.

If you have any questions, leave me a comment below and I'll help you as much as I can. If you found the article useful, share it with other travelers. Have a good trip! 😘

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