Thailand is often known for its vibrant parties, bustling cities, and beautiful beaches, but its islands offer an entirely different kind of magic. In this guide, we take you through 25 of the best islands in Thailand, packed with all the essential information you need to plan your trip. Consider this your complete starting point to discovering paradise.
1. Koh Phi Phi
Things to Do
- Visit Maya Bay, which is surrounded by limestone cliffs and became famous from the movie The Beach.
- Hike to the Phi Phi Viewpoint for panoramic views of the twin bays.
- Go snorkelling at Shark Point to see colourful coral reefs.
- Take a boat trip to Bamboo Island and relax on its white sandy beaches.
- Enjoy a sunset cruise around the islands.
How to Reach
Ferry or speedboat from Phuket or Krabi.
Best Time to Visit
November to April.
Where to Stay
- Tonsai Village for budget stays.
- Loh Dalum Bay for central access.
- Long Beach for peaceful stays.
- Koh Phi Phi Don for resorts with easy boat access.
Suitable For & Vibe: Backpackers, couples, and party lovers.
Ideal Duration: 2–3 days.
2. Phuket
Things to Do
- Relax at Patong Beach and enjoy water sports.
- Explore the colourful streets of Old Phuket Town.
- Visit the Big Buddha for panoramic island views.
- Take island tours to Phi Phi or James Bond Island.
- Spend evenings at beach clubs and enjoy the sunset.
How to Reach
Direct flights from India and Bangkok.
Best Time to Visit
November to April.
Where to Stay
- Patong for nightlife.
- Kata for family-friendly beaches.
- Karon for a relaxed stay.
- Kamala for luxury resorts.
- Phuket Town for budget accommodation.
Suitable For & Vibe: Travellers looking for beaches, nightlife, and culture.
Ideal Duration: 3–4 days.
3. Koh Samui
Things to Do
- Visit the Big Buddha Temple.
- Relax at Chaweng and Lamai beaches.
- Explore Na Muang Waterfalls.
- Enjoy spa and wellness retreats.
- Take a boat trip to Ang Thong Marine Park.
How to Reach
Flights from Bangkok (1–1.5 hours) or ferry from Surat Thani (1.5–3 hours).
Best Time to Visit
December to April.
Where to Stay
- Chaweng for nightlife.
- Lamai for relaxed stays.
- Bophut for boutique resorts.
- Maenam for peaceful accommodation.
Suitable For & Vibe: Families and couples.
Ideal Duration: 2–3 days.
4. Koh Tao
Things to Do
- Learn scuba diving at one of the island's beginner-friendly dive schools.
- Go snorkelling at Shark Bay to spot colourful marine life.
- Hike to the John-Suwan Viewpoint for panoramic island views.
- Relax at Sairee Beach and enjoy its cafés and beach atmosphere.
- Explore hidden bays with calm swimming spots.
How to Reach
Ferry from Koh Samui or Chumphon.
Best Time to Visit
March to September.
Where to Stay
- Sairee Beach for backpackers and nightlife.
- Chalok Bay for a peaceful stay.
- Mae Haad for central access.
- Tanote Bay for a quiet nature escape.
Suitable For & Vibe: Divers and backpackers.
Ideal Duration: 2–3 days.
5. Koh Phangan
Things to Do
- Attend the famous Full Moon Party at Haad Rin Beach.
- Relax at Bottle Beach, one of the island's quietest beaches.
- Explore Phaeng Waterfall surrounded by lush jungle.
- Join yoga classes and wellness retreats.
- Hike to scenic viewpoints for panoramic island views.
How to Reach
Ferry from Koh Samui or Surat Thani.
Best Time to Visit
December to March.
Where to Stay
- Haad Rin for party stays.
- Thong Nai Pan for luxury resorts.
- Sri Thanu for yoga and wellness retreats.
- Baan Tai for budget accommodation.
Suitable For & Vibe: Party lovers and young travellers.
Ideal Duration: 2–3 days.
6. Koh Lanta
Things To Do
- Relax at Long Beach with a quiet shoreline.
- Visit Mu Ko Lanta National Park for jungle trails and lighthouse views.
- Explore Koh Lanta Old Town with wooden houses and cafés.
- Go snorkeling or diving at nearby coral reefs.
- Enjoy sunset views from beachside restaurants.
How to Reach:
Ferry from Krabi (1.5–2.5 hours)
Best Time to Visit:
November to April.
Where to Stay
- Long Beach for main stays.
- Klong Dao for family stays.
- Old Town for cultural stays.
- Klong Nin for quiet resorts.
Vibe: Families and slow travelers
Ideal Duration: 2–3 days
7. Koh Samet
Things To Do
- Relax at Sai Kaew Beach with soft sand and clear water.
- Go kayaking or snorkeling in calm waters.
- Enjoy beach BBQ nights along the coast.
- Watch fire shows in the evening.
- Explore hidden coves around the island.
How to Reach:
Drive 3–4 hours from Bangkok to Rayong, then ferry.
Best Time to Visit:
November to May.
Where to Stay
- Sai Kaew for lively stays.
- Ao Prao for luxury resorts.
- Ao Phai for quiet stays.
- Ao Wong Duean for mid-range hotels.
Vibe: Weekend travelers
Ideal Duration: 1–2 days
8. Koh Chang
Things To Do
- Visit Klong Plu Waterfall in a jungle setting.
- Go trekking through forest trails and viewpoints.
- Enjoy snorkeling trips around nearby islands.
- Relax at White Sand Beach.
- Take boat tours around the island group.
How to Reach:
Ferry from Trat mainland (30–45 minutes).
Best Time to Visit:
November to April.
Where to Stay
- White Sand Beach for main stays.
- Lonely Beach for backpackers.
- Kai Bae for mid-range hotels.
- Bailan Bay for quiet stays.
Vibe: Nature lovers and adventure travelers
Ideal Duration: 3–4 days
9. Koh Lipe
Things To Do
- Relax at Sunrise Beach with clear water.
- Go snorkeling or diving in coral-rich waters.
- Walk along Walking Street with cafés and shops.
- Take island hopping tours nearby.
- Watch sunset at Sunset Beach.
How to Reach:
Ferry from Pak Bara Pier (1.5–3 hours).
Best Time to Visit:
November to April.
Where to Stay
- Sunrise Beach for resorts.
- Pattaya Beach for central stays.
- Sunset Beach for quiet stays.
- Walking Street for budget stays.
Vibe: Couples and honeymooners
Ideal Duration: 2–3 days
10. Koh Yao Noi
Things To Do
- Cycle through villages and plantations.
- Kayak through mangroves and limestone cliffs.
- Relax on quiet beaches with minimal crowds.
- Take boat trips to Phang Nga Bay.
- Experience local fishing culture.
How to Reach:
Boat from Phuket or Krabi (30–60 minutes).
Best Time to Visit:
November to April.
Where to Stay
- Tha Khao for quiet stays.
- Pasai Beach for resorts.
- Village area for budget stays.
- North coast for luxury villas.
Vibe: Peace seekers and slow travelers
Ideal Duration: 2–3 days
11. Koh Yao Yai
Things To Do
- Relax on empty beaches with sea views.
- Explore coconut plantations.
- Go kayaking in calm waters.
- Take boat trips to Phang Nga Bay.
- Enjoy fresh seafood by the coast.
How to Reach:
Boat from Phuket or Krabi (30–60 minutes).
Best Time to Visit:
November to April.
Where to Stay
- West coast resorts for luxury stays.
- East coast guesthouses for budget stays.
- Loh Pared Beach for mid-range hotels.
- Village stays for eco experiences.
Vibe: Couples and slow travelers
Ideal Duration: 2 days
12. Similan Islands
Things To Do
- Go scuba diving in clear waters.
- Snorkel over coral reefs.
- Relax on white sand beaches.
- Take boat tours between islands.
- Hike to scenic viewpoints.
How to Reach:
Boat from Khao Lak or Phuket (1.5–3 hours).
Best Time to Visit:
|November to April (seasonal opening).
Where to Stay
- Khao Lak for main base.
- Phuket for departures.
- Liveaboard boats for diving trips.
Vibe: Divers and adventure travelers
Ideal Duration: 1–2 days
13. Koh Hong
Things To Do
- Explore the hidden lagoon.
- Relax on white sandy beaches.
- Go kayaking in calm waters.
- Snorkel in shallow reefs.
- Enjoy panoramic viewpoints.
How to Reach:
Boat from Ao Nang or Krabi (20–45 minutes).
Best Time to Visit:
November to April.
Where to Stay
- Ao Nang for main stays.
- Krabi Town for budget stays.
- Railay Beach for scenic stays.
Vibe: Couples and photographers
Ideal Duration: 1 day
14. Koh Kradan
Things To Do
- Relax on white sandy beaches.
- Snorkel directly from the shore.
- Swim in shallow turquoise waters.
- Enjoy peaceful sunsets.
How to Reach:
Ferry from Trang or Koh Lanta (1–2.5 hours).
Best Time to Visit:
November to April.
Where to Stay
- Beachfront resorts for main stays.
- North coast for quiet stays.
- Boutique hotels for couples.
Vibe: Couples and honeymooners
Ideal Duration: 2 days
15. Koh Mook
Things To Do
- Explore the Emerald Cave.
- Relax at Charlie Beach.
- Visit fishing villages.
- Go snorkeling near coral areas.
- Watch sunset views from quiet beaches.
How to Reach:
Boat from Trang or Koh Lanta (30–90 minutes).
Best Time to Visit:
November to April.
Where to Stay
- Charlie Beach for main stays.
- Village area for budget options.
- East coast resorts for quiet stays.
Vibe: Adventure couples
Ideal Duration: 1–2 days
16. Koh Tarutao
Things To Do
- Explore dense jungle trails and natural surroundings.
- Visit historic prison ruins on the island.
- Relax on completely empty beaches.
- Experience eco-tourism inside a national park.
How to Reach:
Boat from Pak Bara Pier (30–60 minutes).
Best Time to Visit:
November to April.
Where to Stay
- National park bungalows for basic stays.
- Ranger stations for eco accommodation.
- Koh Lipe for nearby base stays.
Vibe: Adventure travelers
Ideal Duration: 1–2 days
17. Koh Mak
Things To Do
- Relax on peaceful beaches with calm waters.
- Cycle around coconut plantations.
- Go snorkeling in shallow clear waters.
- Visit local villages and experience island life.
How to Reach:
Ferry from Trat or Koh Chang (1–2 hours).
Best Time to Visit:
November to April.
Where to Stay
- Ao Kao for beachfront resorts.
- Ao Nid for quiet stays.
- Village stays for budget travelers.
- Eco lodges for sustainable stays.
Vibe: Couples and slow travelers
Ideal Duration: 2–3 days
18. Koh Kood
Things To Do
- Visit waterfalls with natural pools.
- Relax at Ao Tapao Beach.
- Go kayaking through mangroves.
- Snorkel in clear waters.
- Explore fishing villages.
How to Reach:
Boat from Trat or Koh Chang (1–3 hours).
Best Time to Visit:
November to April.
Where to Stay
- Ao Tapao for luxury resorts.
- Klong Chao for mid-range stays.
- Bang Bao for quiet resorts.
- Village stays for budget options.
Vibe: Honeymooners and couples
Ideal Duration: 3 days
19. Koh Wai
Things To Do
- Snorkel directly from the beach.
- Relax in hammocks under palm trees.
- Swim in calm shallow waters.
- Explore coral gardens nearby.
How to Reach:
Boat from Koh Chang or Koh Mak (30–60 minutes).
Best Time to Visit:
November to April.
Where to Stay
- Beach bungalows for basic stays.
- Eco huts for simple living.
- Koh Chang for main accommodation.
- Koh Mak as alternative base.
Vibe: Backpackers and minimal travelers
Ideal Duration: 1–2 days
20. Koh Phayam
Things To Do
- Relax at Ao Yai Beach.
- Try surfing during monsoon season.
- Explore mangrove forests.
- Visit fishing villages.
- Watch sunsets on quiet beaches.
How to Reach:
Boat from Ranong Pier (1–2 hours).
Best Time to Visit:
November to April.
Where to Stay
- Ao Yai for surfing stays.
- Ao Khao Kwai for quiet resorts.
- Village huts for budget stays.
- Eco lodges for jungle stays.
Vibe: Digital detox travelers
Ideal Duration: 2–3 days
21. Koh Surin
Things To Do
- Go snorkeling in clear waters.
- Explore coral reefs and marine life.
- Visit Moken sea gypsy village.
- Trek through forest trails.
- Relax on untouched beaches.
How to Reach:
Boat from Khao Lak (1.5–3 hours).
Best Time to Visit:
November to April.
Where to Stay
- National park tents for basic stays.
- Ranger bungalows for eco stays.
- Khao Lak for mainland base.
- Liveaboard boats for diving trips.
Vibe: Divers and adventure travelers
Ideal Duration: 2 days
22. Koh Bulon Leh
Things To Do
- Relax on empty beaches.
- Swim in turquoise waters.
- Walk through jungle paths.
- Watch bioluminescent plankton.
How to Reach:
Boat from Pak Bara Pier (1–2 hours).
Best Time to Visit:
November to April.
Where to Stay
- Beach bungalows for simple stays.
- Eco huts for basic living.
- Koh Lipe for base accommodation.
- Satun mainland hotels.
Vibe: Couples and solitude seekers
Ideal Duration: 1–2 days
23. Koh Ngai
Things To Do
- Relax on white sandy beaches.
- Go snorkeling near the shore.
- Kayak along the coastline.
- Take boat trips to nearby islands.
- Enjoy sunset views.
How to Reach:
Ferry from Koh Lanta or Krabi (30–90 minutes).
Best Time to Visit:
November to April.
Where to Stay
- Beach resorts for main stays.
- Mid-island hotels for comfort stays.
- Eco bungalows for nature stays.
- Quiet coastal resorts.
Vibe: Couples and peaceful travelers
Ideal Duration: 2 days
24. Koh Bulon Don
Things To Do
- Relax on quiet beaches.
- Go snorkeling in shallow waters.
- Walk through forest trails.
- Visit fishing villages.
- Enjoy slow island living.
How to Reach:
Boat from Pak Bara Pier (1–2 hours).
Best Time to Visit:
November to April.
Where to Stay
- Beach bungalows for basic stays.
- Eco huts for simple accommodation.
- Koh Lipe for base stays.
- Satun mainland hotels.
Vibe: Backpackers and offbeat travelers
Ideal Duration: 1–2 days
25. Koh Rang
Things To Do
- Go snorkeling in coral-rich waters.
- Relax on white sandy beaches.
- Take boat tours from Koh Chang.
- Explore marine park surroundings.
- Enjoy scenic day trips.
How to Reach:
Boat from Koh Chang (1–2 hours).
Best Time to Visit:
November to April.
Where to Stay
- Koh Chang for main accommodation.
- Trat mainland for budget stays.
- Liveaboard boats for tours.
- Nearby island resorts.
Vibe: Snorkeling lovers
Ideal Duration: 1 day