Koh Samui, Thailand, has been named the best island in the world in Travel + Leisure’s World’s Best Awards 2026, earning a score of 95.64 out of 100. The island topped the magazine’s annual ranking, which is based on votes from readers who rated destinations they had visited.
Known for its tropical beaches, charming fishing villages and lush natural scenery, Koh Samui continues to attract travellers looking for a mix of relaxation, adventure and wellness experiences. Its selection as the top island also highlights Thailand’s appeal as a destination for international visitors.
Travel + Leisure’s annual awards invite readers to evaluate destinations based on their travel experiences. For the 2026 edition, Koh Samui secured the highest score in the Best Islands in the World category, ahead of the Maldives and the Galápagos Islands in Ecuador.
The magazine highlighted the island’s distinctive appeal, including its quaint bungalows, traditional fishing villages and scenic landscapes. Koh Samui is also known for its luxury accommodation, tropical forests and waterfalls, making it a popular destination for visitors seeking a balance between comfort and nature.
What Makes Koh Samui, Thailand, Worth Visiting?
Located in the Gulf of Thailand, Koh Samui is one of the country’s most popular island destinations. It offers a range of experiences, from beach holidays and nightlife to wellness retreats and outdoor activities.
The island’s beaches remain among its main attractions. Chaweng Beach is known for its lively atmosphere, restaurants and nightlife, while Lamai Beach offers a more relaxed setting with scenic coastal views.
Visitors can also explore local fishing villages and weekly markets to experience the island’s culture and everyday life. These markets provide opportunities to sample Thai street food, browse local products and discover regional flavours.
Nature lovers can explore Koh Samui’s tropical landscapes, including its waterfalls and forested areas. For travellers who enjoy golf, Santiburi Samui Country Club offers a course surrounded by the island’s natural scenery.
Koh Samui is also recognised as a wellness destination. Several resorts offer detox programmes, spa treatments and wellness retreats for visitors looking to focus on relaxation and personal well-being during their holiday.
With its combination of natural attractions, accommodation options and activities, Koh Samui caters to different types of travellers, from couples and families to solo visitors.
The World’s Best Islands in 2026
Travel + Leisure’s World’s Best Awards 2026 ranked 20 islands and island destinations based on reader ratings. Koh Samui took the top position, while Bali, Indonesia, also secured a place among the leading destinations.
The top 20 best islands in the world for 2026 are:
- Koh Samui, Thailand — 95.64
- Maldives — 95.38
- Galápagos Islands, Ecuador — 94.99
- Bali, Indonesia — 93.20
- Phuket, Thailand — 93.18
- Seychelles — 92.95
- Fiji — 92.71
- Sri Lanka — 92.67
- Dominica — 91.87
- Zanzibar, Tanzania — 91.83
- Golden Isles, Georgia, USA — 91.59
- Sardinia, Italy — 91.57
- Skye and the Hebrides, Scotland — 91.17
- Malta — 91.00
- Grenada — 90.36
- Madeira, Portugal — 90.33
- Azores, Portugal — 90.18
- Maui, Hawaii — 89.70
- Sicily, Italy — 89.53
- Milos, Greece — 89.50
Koh Samui’s first-place ranking offers another reason for travellers to consider Thailand for their next island holiday.
Whether visitors are planning a beach escape, a wellness-focused trip or an opportunity to explore local culture, the island provides a variety of experiences within one destination.
Cover: Photo by Mike To/Pexels
