Why Visiting Islands in Thailand Is a Great Holiday Idea?
Thinking about your next vacation in the best islands of Thailand? If sun, sea, and beautiful scenery are what you’re after, then the islands of Thailand should be high on your list.
From the famous beaches of Phuket and the chill vibes of Koh Lanta to the postcard-perfect views of Koh Phi Phi, there’s an island for every kind of traveller.
Whether you are a couple on your honeymoon, a solo traveller ready to explore, or a family looking for fun and relaxation, Thailand’s islands have something special for you.
You can spend your days snorkelling in clear blue waters, enjoying fresh Thai food by the beach, or just relaxing with a view that looks like it’s straight out of a travel magazine.
If you’re dreaming of a tropical getaway that’s as exciting as it is relaxing, a Thai island holiday might just be the perfect plan.
Best Islands to Visit in Thailand for Diving & Snorkelling
Thailand has numerous ideal islands for underwater explorers and marine life enthusiasts. If you’re looking to visit any islands in Thailand for diving and snorkelling, here’s a list of the best islands that offer these activities.
Koh Tao
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If you’re looking for the best islands in Thailand for solo travellers with vibrant coral reefs and crystal-clear waters, Koh Tao should be high on your list. This tiny island in the Gulf of Thailand is best known for its budget-friendly diving courses, making it a favourite among adventure-seekers and backpackers.
Koh Tao has an amazing underwater world that will impress both new and skilled divers. If you don’t dive, there are still many enjoyable activities to explore.
Top Things to Do in Koh Tao
- Get PADI-certified at one of the many dive schools
- Go snorkelling at Shark Bay or Sai Nuan Beach
- Hike up to John-Suwan Viewpoint for a stunning island panorama
- Enjoy sunsets and cocktails at Sairee Beach
- Explore nearby Koh Nang Yuan, a famous snorkelling spot
Best time to visit: March to September
Budget-friendly: Ideal for solo travellers and backpackers
Similan Islands
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If you’re a passionate diver, the Similan Islands, often considered the best island in Thailand for diving, are a must-visit.
Located in the Andaman Sea, northwest of Phuket, this group of islands is part of a protected national park known for its crystal-clear waters and vibrant marine life. The diving here is world-class, often compared to the Great Barrier Reef.
The islands are only open to tourists from mid-October to mid-May, helping preserve their delicate ecosystems. This makes it a seasonal but unforgettable destination for those looking to experience some of the best underwater adventures Thailand has to offer.
Top Things to Do Similan Islands:
- Dive at sites like Elephant Head Rock and East of Eden
- Snorkel with sea turtles and colourful reef fish
- Join a liveaboard cruise for multiple-day dive adventures
- Explore white-sand beaches and take in picture-perfect landscapes
- See manta rays and whale sharks in peak season.
Best time to visit: October to May (park closed in monsoon season)
Entry Fee: National park fees apply (around 500 THB)
The Similan Islands in Thailand are remote and protected. They are full of marine life and provide an amazing diving experience.
Koh Lipe
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Koh Lipe is a tiny island in the south of Thailand, close to the Malaysian border. Nicknamed the “Maldives of Thailand”, it’s famous for its powdery white sand, turquoise water, and easy-access snorkelling right from the beach. It’s ideal for travellers looking for a relaxed beach vibe with excellent underwater adventures.
Unlike some busier Thai islands, Koh Lipe is calm but still offers a good mix of local culture, cosy bars, and beachfront dining.
Top Things to Do Koh Lipe:
- Snorkel straight off Pattaya Beach or Sunrise Beach
- Go kayaking to nearby uninhabited islets
- Stargaze at night
- Take boat trips to explore Tarutao National Marine Park
- Enjoy slow days with massages, seafood, and beach bars
Best time to visit: November to March
Getting there: Ferry from Pak Bara Pier, or speedboat from Langkawi, Malaysia
With its crystal waters, coral reefs, and chilled atmosphere, Koh Lipe is perfect for couples, solo travellers, or anyone wanting to escape the crowds.
Koh Phi Phi
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Koh Phi Phi is one of Thailand’s most iconic islands, known for its dramatic limestone cliffs, clear blue waters, and buzzing beach life. It’s a great pick if you want to combine scuba diving, snorkelling, and some lively nightlife. Made famous by the movie The Beach, the island draws travellers from all over the world.
Despite its party reputation, Koh Phi Phi offers some incredible underwater adventures, especially for beginners.
Top Things to Do in Koh Phi Phi:
- Try a dive course or fun dive- ideal for beginners
- Visit the famous Maya Bay (now open with visitor limits)
- Snorkel around Monkey Beach or take a kayak to nearby coves
- Trek to the Phi Phi Viewpoint for an incredible sunset
- Enjoy beach parties and fire shows at Loh Dalum Bay.
Best time to visit: November to April
Getting there: Ferry/ speedboat from Krabi or Phuket
With its mix of adventure, nature, and nightlife, Koh Phi Phi is ideal for young travellers, couples, and first-timers to Thailand.
Koh Lanta
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If you’re looking for a relaxed island with great diving and fewer crowds, Koh Lanta is your place. Located off the coast of Krabi, it’s perfect for families, couples, and solo travellers who want both peaceful beaches and underwater adventures.
Koh Lanta is a starting point for some of Thailand’s top dive spots, such as Hin Daeng and Hin Muang, famous for their abundant marine life and deep walls. The island’s relaxed atmosphere makes it easy to spend days snorkelling, sunbathing, and exploring.
Top Things to Do in Koh Lanta:
- Go diving or snorkelling with reputable dive schools
- Chill out on quiet beaches like Kantiang Bay or Long Beach
- Rent a scooter and explore waterfalls, caves, and local villages
- Visit ethical animal experiences like Lanta Animal Welfare
- Watch the sunset with a drink at a beachfront restaurant
Best time to visit: November to April
Getting there: Ferry from Ao Nang/ Krabi/ Phuket
Koh Lanta strikes a lovely balance between underwater thrills and on-land chill, making it a top choice for a slow-paced Thai island escape.
Best Islands in Thailand for Nightlife
For those who love vibrant beach parties and bar-hopping. Here is a list of the best party islands in Thailand-
Koh Phangan
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If you want to experience the best nightlife in Thailand, Koh Phangan is world-famous for its Full Moon Party, but there’s more to this island than just wild nights. It offers a great mix of beach parties, wellness retreats, and natural beauty, making it perfect for both social butterflies and soulful travellers.
The Full Moon Party on Haad Rin Beach attracts thousands every month, but head north and you’ll find quiet beaches, yoga centres, and jungle trails. It’s an island with two sides, and both are worth exploring.
Top Things to Do in Koh Phangan:
- Dance all night at the iconic Full Moon Party
- Try yoga, detox, or meditation at wellness centres in Sri Thanu
- Relax at Haad Yuan or Bottle Beach
- Hike to Dome Sila Viewpoint for stunning coastal views
- Join boat tours to hidden beaches and snorkelling spots
Best time to visit: Between December and April
Getting there: Ferry from Koh Samui or Surat Thani
Koh Phangan is a brilliant destination for travellers who love a party scene with a peaceful escape option just around the corner.
Phuket
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Phuket is Thailand’s largest island and a nightlife playground with something for everyone. Whether you’re into lively clubs, beach bars, rooftop lounges, or night markets, Phuket offers a diverse party scene that keeps going all night. Also, remember, Phuket is the best island in Thailand for honeymoon couples.
Patong Beach is the main nightlife hotspot, famous for its buzzing streets filled with bars, clubs, and cabarets. But if you prefer something a little quieter, areas like Kata and Karon offer chilled-out bars and beachfront restaurants.
Note: If you are Indian, you can find many Indian restaurants in Phuket. Must try to satisfy your craving.
Top Nightlife Experiences in Phuket:
- Dance the night away at clubs like Illuzion and White Room
- Have fun at rooftop bars
- Witness cultural shows and cabarets
- Explore night markets for street food and souvenirs
- Attend beach and boat parties
Additionally, there are a lot of things to do in Phuket, which you must check out!
Best time to visit: November to April
Getting there: Direct flights from Bangkok and many international airports
Phuket is ideal if you want to mix beach days with world-class nightlife and entertainment all in one place.
Best Islands in Thailand for Quiet Escapes
Ideal for digital detox, relaxation, and authentic experiences.
Koh Yao Noi
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If you’re craving a break from crowds and noisy parties, Koh Yao Noi offers a peaceful retreat surrounded by stunning limestone cliffs and calm waters. This island is perfect for travellers who want to experience authentic Thai island life without the usual tourist rush.
With small villages, friendly locals, and untouched nature, Koh Yao Noi invites you to slow down, explore by bike or kayak, and enjoy quiet beaches that feel almost private.
Top Things to Do in Koh Yao Noi:
- Cycle through coconut plantations and quiet villages
- Kayak around mangroves and along the coast
- Join a Thai cooking class to learn local recipes
- Enjoy yoga sessions or wellness retreats
- Watch stunning sunsets over Phang Nga Bay.
Best time to visit: November to April
Getting there: Longtail boat/ferry
Koh Yao Noi offers a relaxed vibe and natural beauty, perfect for those seeking authentic island life.
Koh Mak
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Koh Mak is a small, peaceful island near the Cambodian border, known for its eco-friendly vibe and unspoiled nature. Unlike more touristy spots, Koh Mak stays quiet, making it perfect for travellers who want to unwind and enjoy nature at its best.
The island has beautiful beaches and clear water. You can explore coral reefs without the crowds. It’s also great for those interested in sustainable tourism and authentic local experiences.
Top Things to Do in Koh Mak:
- Snorkel along colourful coral reefs just offshore
- Rent a bike to explore coconut plantations and quiet roads
- Visit local fishing villages and taste fresh seafood
- Relax at wellness retreats and beachfront resorts
- Enjoy peaceful sunsets from Ao Kao Beach
Best time to visit: November to April
Getting there: Take a ferry from Koh Chang/ Trat Pier
If you want a calm, eco-conscious island escape, Koh Mak offers tranquillity and natural beauty away from the crowds.
Koh Phayam
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If you want to visit a lesser-known island in Thailand, consider Koh Phayam. Located near the Myanmar border, it offers pristine beaches, lush jungles, and very few tourists. This island is ideal for travellers seeking peace, nature, and simple living.
With no cars on the island, you’ll explore by scooter or on foot, soaking up quiet moments by the sea. It’s an excellent place for those who want to disconnect, enjoy nature, and experience authentic island life.
Top Things to Do in Koh Phayam:
- Enjoy quiet beaches like Ao Yai and Ao Kao Kwai
- Rent a scooter to explore jungle trails and waterfalls
- Snorkel in clear waters full of colourful fish
- Watch spectacular sunsets from beachfront bars
- Take a kayak trip around the island’s coastline
Best time to visit: November to April
Getting there: Ferry from Ranong town
For travellers wanting to escape the crowds and embrace a slow island pace, Koh Phayam is a serene sanctuary.
Best Islands in Thailand for Adventure Activities & Exploration
This country has many islands for thrill-seekers and active travellers. From jungle hiking, snorkelling, diving, and trekking, there are numerous things to try. If you are one, here’s a list of the best islands to go to in Thailand.
Koh Chang
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Koh Chang is Thailand’s second-largest island, famous for its jungles, waterfalls, and beaches, great for adventure activities and relaxation.
From hiking trails to snorkelling spots, Koh Chang has a travel guide for every type of traveller.
The island still maintains a relaxed atmosphere compared to busier places like Phuket, and offers a range of accommodations from budget hostels to luxury resorts.
Top Things to Do in Koh Chang:
- Snorkel at Koh Wai and other nearby coral reefs
- Visit Klong Plu and Than Mayom waterfalls
- Kayak along the coast or take boat tours to small islands
- Enjoy local food markets and beachside restaurants
Best time to visit: November to February
Getting there: Ferry from Trat Pier or Laem Ngop
If you want a balance of nature, adventure, and relaxation, Koh Chang is a fantastic choice.
Koh Tarutao
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Koh Tarutao is part of the Tarutao National Marine Park, offering a wild and untouched island experience. It’s perfect for adventurous travellers who enjoy jungle trekking, wildlife watching, and camping under the stars.
The island features dense rainforest, rugged cliffs, and deserted beaches. Facilities are limited, making it ideal for those wanting to disconnect and embrace nature fully.
Top Things to Do in Koh Tarutao:
- Trek through the jungle trails, spotting wildlife
- Explore remote beaches like Ao Son
- Kayak along the coastline
- Visit turtle nesting sites
- Camp overnight for a true wilderness experience
Best time to visit: November to April
Getting there: Boat from Pak Bara Pier
Best Islands in Thailand for Nature & Honeymoon Couples
For romantic getaways and peaceful scenery, you get many best islands in Thailand for couples, which will leave you breathless with their stunning beaches and crystal-clear waters.
Places like Koh Samui and Koh Phi Phi offer idyllic settings for couples to unwind, explore, or enjoy candlelit dinners on the shore. The lush landscapes and vibrant sunsets add to the magic, making it an unforgettable escape for lovebirds.
Koh Kood
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Koh Kood is one of Thailand’s best islands in Thailand for a honeymoon. Known for its pristine white-sand beaches, clear waters, and lush jungles, it offers an unspoiled escape from the usual tourist trails. Ideal for travellers who want a quiet, nature-filled holiday.
The island has several beautiful waterfalls, like Klong Chao and peaceful fishing villages to explore. Snorkelling here is fantastic with vibrant coral reefs close to shore. Koh Kood is less developed, so expect basic but comfortable accommodation options.
Top Things to Do in Koh Kood:
- Visit quiet beaches like Ao Tapao and Bang Bao
- Visit waterfalls like Klong Chao and Klong Yai Kee
- Snorkel and dive near coral reefs
- Explore the island by bike or scooter
- Enjoy calm, uncrowded sunsets
Best time to visit: November to April
Getting there: Ferry from Trat Pier
Koh Jum
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Koh Jum is a relaxed island between Krabi and Koh Lanta; it is one of the best islands for honeymoon couples to visit in Thailand. It’s known for its rustic charm, quiet beaches, and friendly locals who welcome visitors with open arms.
This island has a very relaxed vibe, ideal for those who want to unwind on soft sandy shores, explore nature, and enjoy authentic Thai island life without the crowds. Due to its location, you can try many things to do in Krabi.
Top Things to Do in Koh Jum:
- Relax on quiet beaches like Golden Pearl Beach and Ao Si Beach
- Explore local villages and traditional fishing communities
- Take a boat trip to nearby islands and snorkelling spots
- Watch serene sunsets from beachfront bungalows
- Sample fresh seafood at local eateries
Best time to visit: November to April
Getting there: Ferry from Koh Lanta/ Krabi
Koh Muk
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Koh Muk (also spelled Koh Mook) offers a serene escape with a touch of mystery. Known for the stunning Emerald Cave (Tham Morakot)- a hidden lagoon accessible only by swimming through a sea cave- this island is ideal for travelers seeking natural beauty, soft adventure, and authentic Thai village life.
Unlike its party-focused neighbors, Koh Muk moves at a slower pace. Its small fishing villages, friendly locals, and calm, sandy beaches make it a perfect place to relax, explore, and disconnect.
Top Things to Do in Koh Muk:
- Swim through Emerald Cave to a hidden lagoon.
- Kayak along the coast and discover secluded coves
- Visit Sivalai or Farang Beach
- Enjoy fresh seafood at local beachside restaurants
- Watch peaceful sunsets over the Andaman Sea
Best Time to Visit: November to April
Getting There: Ferry or longtail boat from Trang Pier or nearby islands like Koh Lanta or Koh Ngai
Conclusion
Exploring the best islands in Thailand is one of the most rewarding travel experiences you can have. As said, Thailand is a destination that welcomes all types of travellers, and offers many things to do, from solo backpackers and couples to kids.
Phuket has lively energy, Koh Lanta offers peaceful shores, and Koh Phi Phi has beautiful waters. Each island provides its own special paradise.
From snorkelling and beach-hopping to soaking in sunsets and enjoying local cuisine, a Thai island vacation truly has something for everyone.
Ready to plan your dream island getaway? Start exploring Thailand’s top island destinations now and find the perfect spot for your next tropical adventure!
Frequently Asked Questions on the Best Islands in Thailand
How do I get to Thailand’s islands?
Reaching the Thai islands is pretty simple. Many travelers start from mainland cities like Phuket, Krabi, or Surat Thani, where they can catch ferries or speedboats to nearby islands. If you’re short on time, some islands like Koh Samui and Phuket have domestic airports, offering direct flights from major cities like Bangkok and Chiang Mai.
Which are the best islands in Thailand near Bangkok?
If you’re short on time and want to stay close to the capital, consider Koh Samet and Koh Chang. These are among the best islands in Thailand near Bangkok—easily reachable by car and ferry within 3 to 6 hours. Koh Samet is great for a quick beach escape, while Koh Chang offers waterfalls, hiking trails, and beautiful coastlines.
Are Thailand’s islands suitable for family vacations?
Absolutely! Islands like Koh Samui and Koh Lanta are particularly popular with families. They offer peaceful beaches, family-oriented accommodations, and fun outdoor activities for all ages. These spots are known for their relaxed vibe, making them great choices for a stress-free getaway with children.
What kind of activities can I enjoy on the islands?
Whether you’re looking for thrills or tranquility, Thailand’s islands deliver. Try snorkelling in crystal-clear waters, diving at colorful reefs, or kayaking along scenic coastlines. Prefer to take it slow? Lounge on sun-soaked beaches, wander through local markets, or enjoy a traditional Thai massage. From nature hikes to seafood feasts, there’s something for every kind of traveler.
