Thailand’s islands are like background images that you see and think, “That can’t be real.”
But honestly, they’re even better in person.
In fact, we’re talking about white sand beaches and limestone cliffs. That seems to rise straight out of the ocean like something from a fantasy movie.
Furthermore, each island has its own vibe. Which means there’s something for everyone, whether you’re looking to party all night. Or just chill in a hammock with a good book.
So, we wrote this guide to give you an idea of these islands to plan your visit.
Therefore, without taking more time, let’s get into the details.
Introduction to Thailand’s Islands
Thailand is basically a heaven for island lovers.
That is because the country is full of islands across what is known as the Andaman Sea and the Gulf of Thailand.
Moreover, these islands are actually busy tourist spots with all the amenities that you could want.
Plus, the beauty of island-hopping in Thailand is that you can mix and match your experience.
To be honest, that’s what makes planning a trip here so exciting.
In addition to that, the islands on the Andaman side, like Phuket and Koh Phi Phi, tend to have fascinating limestone formations. While the Gulf islands, such as Koh Samui and Koh Phangan, offer a different kind of tropical vibe.
For that reason, many travellers choose to visit islands on both coasts to get the full Thai island experience.
Top Islands to Visit in Thailand
Koh Phi Phi


Koh Phi Phi is one of the most famous islands in the world, and there’s a good reason for that.
It is a stunning group of six islands, with Phi Phi Don and Phi Phi Leh being the most well-known.
In fact, the dramatic cliffs, hidden coves, and fantastic coral reefs make this place feel like a paradise.
Furthermore, the main island has a lively social vibe with beach bars, restaurants, and plenty of places to meet fellow travellers.
Speaking of which, Maya Bay on Phi Phi Leh became famous after getting some shots in “The Beach” movie. And while it was closed for a few years to recover from over-tourism, it’s now open again with visitor limits to protect the environment.
Plus, the snorkelling around Phi Phi is absolutely incredible. Where you’ll see colourful fish, sea turtles, and if you’re lucky, maybe even some reef sharks.
Moreover, the island offers rock climbing opportunities for adventure seekers and stunning viewpoints. That requires a bit of a hike but rewards you with fascinating panoramic views..
So, in a way, Koh Phi Phi has a nice balance between natural beauty and social energy. By making it perfect for younger travellers and anyone who wants a mix of adventure and relaxation.
Phuket


Phuket is Thailand’s largest island and acts as an entrance point to many other smaller islands.
It’s got everything you could possibly need, from luxury resorts and world-class spas to busy markets and incredible street food.
Furthermore, the variety of beaches that you can find here can be your perfect spot. Whether that’s the party atmosphere of Patong Beach or the more relaxed vibe of Kata and Karon.
Moreover, Phuket serves as an excellent base for day trips to nearby islands and attractions.
Whereas you can easily book tours to the Phi Phi Islands, James Bond Island. Or go scuba diving to some of the best spots in the Andaman Sea.
For that reason, many travellers choose to spend a few days in Phuket at the beginning. Or at the end of their island-hopping adventure.
Koh Samui


Koh Samui is Thailand’s second-largest island and gives out a more unique island experience.
In fact, the beaches here are gorgeous, with palm-fringed shores and calm, clear water waves, which are perfect for swimming.
Furthermore, the island has developed a reputation for luxury resorts, wellness retreats, and excellent dining options. That suits travellers who are looking for something a bit more perfect.
Speaking of which, Chaweng Beach is the most developed and lively area. With plenty of restaurants, bars, and shops within walking distance.
Conversely, Lamai Beach offers a slightly more relaxed atmosphere while still providing good amenities.
Anyway, one of Koh Samui’s most famous attractions is the Big Buddha Temple. A 12-meter golden statue that’s become an iconic attraction.
Moreover, the island offers unique experiences, such as visiting the Secret Buddha Garden, exploring waterfalls in the jungle interior. And checking out the Grandmother and Grandfather Rocks.
So, to be honest, Koh Samui is perfect for travellers who want beautiful beaches combined with comfort and convenience.
Koh Tao
Koh Tao, which means “Turtle Island,” is a diver’s paradise. And one of the affordable places in the world to get your diving certification.
Also, the island is small and easy to get around, with a relaxed atmosphere. That attracts backpackers and diving lovers from around the globe.
Furthermore, even if you’re not into diving, the snorkelling here is perfect. With colourful coral reefs just a short swim from many beaches.
Speaking of which, the island’s dive areas are located in specific spots. And are suitable for divers of all levels, as in from beginners to advanced.
Plus, while you are at it, you’ll come across incredible marine life. Including turtles, whale sharks if you’re lucky, and countless species of tropical fish.
Beyond diving, Koh Tao offers beautiful viewpoints, beach bars with chilled-out vibes, and a friendly community of travellers as well.
Whereas the island is much quieter than its neighbour, Koh Phangan. By making it ideal for those who want to focus on underwater adventures and relaxation.
For that reason, many people end up staying longer here than planned because the island has such a welcoming and easygoing atmosphere.
Koh Lanta
Koh Lanta is perfect for travellers who are seeking a more peaceful, authentic Thai island experience.
Whereas the island has managed to maintain its traditional fishing village vibe while still offering comfortable accommodations and good tourist attractions.
Furthermore, the beaches on Koh Lanta are long, wide, and rarely crowded by giving you plenty of space to stretch out and enjoy the tropical surroundings.
On the other hand, the pace of life on Koh Lanta is beautifully slow.
Where you can spend your days by relaxing on the beach by exploring the old town with its wooden stilt houses, or taking boat trips to nearby islands and snorkelling spots.
Moreover, the island has a delicious food scene with beachfront restaurants serving fresh seafood and traditional Southern Thai cuisine that’s absolutely yummy.
To be honest, Koh Lanta is ideal for those who want to experience island life without the tourist crowd and party scene.
In other words, it’s all about relaxation, natural beauty, and connecting with the local culture in a meaningful way.
Similan Islands
The Similan Islands are actually a group of eleven islands that make up one of the best diving destinations in the world.
This national park is protected and relatively undeveloped, which means the marine environment here is pristine and spectacular.
Furthermore, the underwater visibility is clear, often reaching 30 meters or more by making it a dream destination for underwater photographers and serious divers.
Anyway, these islands are only accessible during certain months due to weather conditions, and overnight stays are limited to protect the environment.
Therefore, most visitors come on day trips.
On the other hand, the diving and snorkelling here allow you to see some healthy coral reefs, massive underwater boulders, and an incredible diversity of marine life, including manta rays and countless species of reef fish.
Koh Phangan
Koh Phangan is world-famous for its Full Moon Party, which is a massive beach celebration that draws thousands of party-goers every month.
However, there’s so much more to this island than just parties.
The island has stunning beaches, jungles, beautiful waterfalls, and a perfect wellness and yoga community.
Furthermore, the northern parts of the island are peaceful and perfect for those who are seeking a more spiritual or relaxed experience.
In detail, the Full Moon Party at Haad Rin Beach is definitely an experience if you’re into that scene.
Whereas the beach turns into a huge outdoor nightclub with music and dancing that goes until sunrise.
Conversely, if partying isn’t your thing, you can easily stay in other parts of the island and enjoy a completely different experience, too.
To be honest, Koh Phangan has successfully moved beyond being just the Full Moon Party island and now offers something for many different types of travellers.
Best Time to Visit Thailand’s Islands
Timing your visit to Thailand’s islands can make a huge difference in your experience.
Speaking of which, the weather conditions differ between the Andaman Sea islands and the Gulf of Thailand islands, so understanding these helps you to plan the perfect trip.
Furthermore, visiting during the right season means better weather, calmer seas, and more enjoyable activities, such as snorkelling and island hopping.
Andaman Sea islands
Specifically, for the Andaman Sea islands, such as Phuket, Koh Phi Phi, and Koh Lanta, the best time to visit is from November to April.
That is because this is the dry season with sunny days, calm seas, and perfect beach weather.
In fact, the peak tourist season runs from December to February when the weather is absolutely ideal, but these months also mean higher prices in everything that you purchase.
Moreover, March and April can get quite hot, but the beaches are less crowded, and accommodation prices also tend to be low.
Finally, the monsoon season on the Andaman side runs from May to October, whereas September and October are typically being the wettest months.
However, to be honest, visiting during the shoulder seasons of May-June or October-November can be great if you don’t mind occasional rain.
Gulf of Thailand islands
On the other hand, for the Gulf of Thailand islands, such as Koh Samui, Koh Phangan, and Koh Tao, the weather pattern is different.
Whereas these islands have their best weather from December to August by making them perfect alternatives when the Andaman Islands are experiencing monsoons.
Furthermore, the wettest months for the Gulf Islands are typically October and November, although even then, the weather can be quite unsure, with sunny days.
All in all, Thailand’s islands can be visited year-round if you’re flexible about which islands you visit.
That said, planning around the general weather patterns will give you the best chance of perfect beach activities.
Conclusion
Thailand’s islands offer some of the most spectacular tropical vibes on the planet, and each island brings its own unique vibe.
Furthermore, the combination of natural beauty, welcoming culture, delicious food, and excellent value makes Thailand’s islands hard to skip as a tropical destination.
Therefore, whether you’re planning a quick week-long visit or a months-long island-hopping adventure, Thailand’s islands won’t disappoint you.
Anyway, the key is to choose islands that match your travel style and interests.
Therefore, allow some flexibility in your plans because you might discover your perfect island and want to stay longer than expected.
So remember, the magic of Thailand’s islands isn’t just in their physical beauty, but in the relaxed lifestyle and warm hospitality that make visitors feel welcome and at ease.
Contact Travelco Holidays to book Thailand tour packages.
Frequently Asked Questions
Koh Phi Phi is always one of the most stunning destinations, with its fascinating limestone cliffs and crystal-clear water.
Koh Samui and Koh Lanta are excellent choices for families. This is because both islands offer calm beaches, family-friendly resorts, and a relaxed atmosphere.
Koh Phangan takes the crown for nightlife with its famous Full Moon Party and various other beach parties throughout the month. Furthermore, Koh Phi Phi offers a lively party scene with beach bars and fire shows.
For the Andaman Sea islands, such as Phuket and Koh Phi Phi, visit between November and April. While for the Gulf of Thailand islands like Koh Samui and Koh Phangan, December to August offer the best weather conditions.


Editorial Staff at Travelco are experts in Global Tourism.