Top 5 beautiful islands in Thailand - The hottest summer tourist destination in 2025

1. Why should you travel to Thailand in summer 2025?

Beautiful beaches in Thailand - Ideal destination for summer travel 2025. (Photo: Collected)

Thailand Summer 2025 is a great choice for those who want to both explore and relax in a colorful tropical space. The time from May to August is summer in Thailand, with beautiful sunny weather, clear blue sea - ideal conditions to enjoy activities such as swimming, diving to see coral or kayaking. This is also the time when Thailand's famous beaches and islands put on their most brilliant and vibrant beauty of the year.
Not only attractive in terms of landscape, Thailand is also known as one of the top "cheap" destinations in Southeast Asia. By hunting for cheap air tickets and choosing a reasonable schedule, you can completely travel to Thailand on an island tour with a budget of only 9 - 12 million VND for a trip of 4 to 5 days - including round-trip air tickets, hotels, meals and sightseeing costs.
Another big plus is that Vietnamese people do not need a visa when traveling to Thailand for less than 30 days. You only need a passport valid for more than 6 months and a round-trip ticket to freely explore the land of the Golden Temple. With outstanding advantages in terms of cost, weather and simple procedures, it is not difficult to understand why Thailand is always on the list of hottest destinations every summer.

2. Top beautiful islands in Thailand to visit this summer

If you are looking for a great summer vacation, Thailand with its beautiful islands is definitely a destination not to be missed. Below are the most prominent islands, each with its own unique beauty, helping you experience unforgettable moments.

2.1. Koh Phi Phi Island – Thailand's most famous "tropical paradise" offers unforgettable diving experiences

Beautiful view of Koh Phi Phi from Phi Phi Sunset ViewPoint. (Photo: Collected)

When it comes to beautiful islands in Thailand to visit in the summer, Koh Phi Phi cannot be left out. This place stands out with its emerald green water and fine white sand beaches, an ideal destination for those who love sea tourism. Especially, if you are a fan of the movie The Beach, Koh Phi Phi is the place to make your dreams of a tropical paradise come true. Activities such as scuba diving, kayaking or climbing to see the whole island will definitely make your trip more interesting.

2.2. Phuket Island – The Island That Never Sleeps

Phuket – A popular destination with vibrant beaches and luxury resorts. (Photo: Shutterstock)

Phuket is a great choice for those who want to combine entertainment and relaxation on their Thailand summer tour 2025. Phuket owns beautiful beaches such as Patong, Kata, and Karon with full range of high-class resort services. If you want a vibrant vacation, Phuket is the ideal destination with activities such as nightlife and attractive shopping areas. In addition, Phuket is also a great starting point to visit other islands, such as Phi Phi Island or Similan Island.

2.3. Koh Lipe Island – “Maldives of Thailand”

Koh Lipe with clear blue water and fine white sand – Beautiful island ideal for a vacation. (Photo: Collected)

With its pristine beauty and peaceful atmosphere, Koh Lipe is one of the beautiful islands in Thailand to visit in the summer if you love tranquility and peace. Known as the “Maldives of Thailand”, Koh Lipe has white sand beaches, clear blue water and is an ideal place for you to relax, watch the sunset or participate in water sports activities. Although a bit remote, Koh Lipe will not disappoint you.

2.4. Koh Samui Island – Paradise Island in Southern Thailand

Chaweng Beach in Koh Samui – A popular destination with luxury resorts and high-end services. (Photo: Ben Reeves)

Koh Samui is one of the beautiful islands in Thailand that you should not miss in the summer. With beaches such as Chaweng, Lamai, and luxury coastal resorts, Koh Samui attracts tourists not only by its natural scenery but also by sightseeing and exploring activities such as visiting Wat Phra Yai (Big Buddha Temple) and admiring beautiful waterfalls. In addition, Koh Samui is also an ideal stopover for those who want to join sea tours .

2.5. Koh Tao Island – Diving paradise in Thailand

Crystal clear water and rich corals at Koh Tao – Paradise for scuba diving enthusiasts. (Photo: Collected)

If you love diving, Koh Tao is the ideal destination for you. Koh Tao is famous for its rich coral ecosystem and is an ideal place to take diving courses. Not only does it have clear sea water and colorful coral, Koh Tao also stands out with its deserted beaches, creating a wonderful relaxing space. This is definitely one of the beautiful islands that cannot be missed when you travel to Thailand in the summer of 2025.

3. Suggested Thailand travel itinerary for summer 2025 (4N3D)

Peaceful beauty of Koh Phi Phi island. (Photo: Collected)

Day 1: Explore Phuket

• Morning: Arrive in Phuket, visit Patong Beach, relax and swim.
• Lunch: Visit Big Buddha Temple, enjoy local dishes.
• Evening: Stroll around Phuket Walking Street, explore street food.

 

Day 2: Explore Koh Phi Phi

• Morning: Travel to Koh Phi Phi by boat.
• Noon: Visit Maya Bay, snorkel to explore coral.
• Afternoon: Watch the sunset from Phi Phi Viewpoint.
• Evening: Relax on the beach or attend a night party.

 

Day 3: Relax at Koh Lipe

• Morning: Move to Koh Lipe, swim at Pattaya Beach.
• Noon: Participate in scuba diving and kayaking activities.
• Afternoon: Explore the small islands near Koh Lipe such as Koh Adang.
• Evening: Enjoy fresh seafood on the sea.

 

Day 4: Return to Phuket

• Morning: Relax at the beach or participate in water sports activities.
• Lunch: Have lunch at a local restaurant.
• Afternoon: Travel to Phuket, walk around Phuket Old Town before going to the airport to say goodbye to Thailand and return home.

4. Tips for economical summer travel to Thailand

Applying these tips will help you have a budget-friendly trip to Thailand in the summer of 2025 while still having a full range of interesting experiences! (Photo: Collected)

If you want to travel to Thailand on a budget this summer , here are some tips to help you cut costs and still have a great trip:

• Hunting for cheap airfares: Book early and choose midweek flights instead of weekends to get cheaper fares. Low-cost airlines such as VietJet, AirAsia… often have attractive promotions.
• Choose budget hotels: Thailand has a wide range of affordable accommodation options. Look for hotels, homestays or hostels instead of luxury resorts if you want to save money.
• Eating at street food stalls: Thai cuisine is famous and delicious, but prices at street food stalls are extremely reasonable, only from 30,000 - 100,000 VND per meal.
• Traveling by public transport: Instead of hiring a taxi or private car, use public transport such as trains, buses or Songthaew (tuk-tuk) to save on travel costs.
• Choose free or low-cost tours: Many famous Thai tourist attractions such as the Big Buddha Temple in Phuket, Wat Arun in Bangkok or natural beaches can be visited for free or at very low cost.

Whether you are a party-goer or looking for a place to escape the hustle and bustle of city life, these beautiful islands in Thailand to visit this summer can bring you memorable experiences. Each island is a world of its own, ready to welcome you with golden sunshine, blue sea and wonderful peaceful moments.

Source: https://www.vietravel.com/vn/am-thuc-kham-pha/dia-diem-du-lich-he-2025-hon-dao-dep-o-thai-lan-v17147.aspx