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Similan Islands – Andaman Sea Paradise with Crystal-Clear Waters
The Similan Islands are one of the most beautiful archipelagos in Thailand, located in the Andaman Sea, Phang Nga Province, about 70-100 kilometers from Phuket, and are part of the "Similan Islands National Park" which was declared a national park in 1982.
The Similan Islands consist of 11 islands in total and are world-renowned for their stunning beauty, with crystal-clear waters, white sandy beaches, and vibrant coral reefs.
This destination is considered one of the best diving spots in the world, offering both shallow and deep diving experiences, with incredibly clear waters and a diverse array of marine life.
Highlights of Similan Islands
- World-class crystal-clear waters with excellent visibility
- Fine white sandy beaches with a pristine atmosphere
- World-class diving spots for both snorkeling and scuba diving
- Thriving coral reefs and diverse marine life
- Large boulders, a unique feature of the Similan Islands
- Unspoiled nature, thanks to the national park status
Must-Visit Attractions
1. Koh Similan (Island 8)
A landmark with the iconic Sail Rock, offering breathtaking views
2. Koh Miang (Island 4)
A beautiful white sandy beach with crystal-clear waters, perfect for relaxation
3. Diving Spots around the Islands
Explore vibrant coral reefs, colorful fish, and rare marine life, including manta rays and reef sharks
Unmissable Activities
- Snorkeling in the crystal-clear waters, getting up close to marine life
- Scuba diving at world-class levels
- Hiking to the Sail Rock viewpoint
- Enjoying water activities and relaxation on the white sandy beaches
- Capturing stunning photographs of the natural beauty
Getting There
Most trips to the Similan Islands depart from
- Thap Lamu Pier (Phang Nga)
Travel options include
- Speedboat, taking approximately 1.5-2 hours
- Both Join Trip and Liveaboard (overnight on the boat) options are available
Island Opening Period
- Open: approximately November – April
- Closed: approximately May – October
For nature conservation and tourist safety purposes
Estimated Prices
- Day Trip: approximately 2,500 – 3,500 THB per person
- Liveaboard: several thousand THB (depending on the program)
Tips before Visiting Similan Islands
- Book in advance, as the number of tourists is limited
- Choose the calm sea period (Nov – Apr) for the clearest waters
- Prepare motion sickness medication, as the journey can be long
- Avoid touching coral reefs and follow national park rules
- Check the weather forecast before each trip
The Similan Islands are one of Thailand's most stunning destinations, with world-class crystal-clear waters, vibrant coral reefs, and unspoiled nature, making it perfect for both diving enthusiasts and nature lovers seeking an unforgettable experience in the Andaman Sea.
Member reviews
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Beautiful ! The beautiful beach I've seen so far. The sand is so soft. We went in March, not too crowded. We went as part of a tour and it was great. The islands are well protected and clean. It was a long and expensive (from Thailand) journey from Krabi but we made the most of it and it was 100% worth it. You need to see it once in your lifetime.
22/01/2026 12:24I joined a 4-day liveaboard to the Similan Islands aboard the Manta Queen 1 with Khao Lak Scuba Adventures back in November—the long trek from Khao Lak was 100% worth it for some of the clearest waters and most stunning islands I’ve ever seen.
Crystal-clear visibility, incredible diving with tons of marine life, and pristine nature everywhere made it pure magic. The boat and crew delivered the best time—relaxed, exciting, and unforgettable.
Totally recommend this trip and visiting the Similans to anyone who loves diving; I’d go back in a heartbeat!
nicest beach I’ve ever been to. crystal blue water, white sands, and amazing snorkelling and view points. have seen some incredible beaches but this is just unreal
16/02/2026 03:28Must say and must visit place in Thailand. One of the most beautiful tourist attractions. Prepare yourself for one hour and 30 minutes ride with the speedboat or catamaran to there, but then prepare to enjoy on four places, with two snorkeling points, and two beaches and swimming points. If you are lucky, you’ll see turtles and Nemo fishes.
07/02/2026 13:43Pure paradise! Maldives vibes in Thailand!
The Similan Islands are absolutely stunning. The sand is incredibly white and soft, just like in the Maldives, and the water is a crystal-clear turquoise. It’s the perfect mix of superb beaches and wild jungles. Walking through the lush greenery and then stepping out onto that pristine shore was a dream come true. The photos don't even capture half of the beauty. A must-visit if you love untouched nature
