Is the Similan Islands Tour Worth It?
The Similan Islands are widely considered one of Thailand’s most beautiful island groups and consistently rank among the best snorkeling destinations in the country. Crystal-clear water, powder-white beaches, dramatic granite rock formations, and vibrant marine life make this one of the most popular tours from Phuket and Khao Lak. For travelers who enjoy nature, snorkeling, and tropical island scenery, the Similan Islands are often one of the highlights of their Thailand holiday.
Best Time to Visit the Similan Islands
The Similan Islands National Park is generally open from mid-October until mid-May. The best weather and sea conditions are usually found between December and April when visibility is excellent and the sea is calmer. During this period, snorkeling conditions are often at their best. Visitors travelling early or late in the season may enjoy fewer crowds while still experiencing the natural beauty of the islands.
Similan Islands or Surin Islands – Which Is Better?
Both destinations offer exceptional snorkeling and beautiful tropical scenery, but they provide slightly different experiences. The Similan Islands are famous for their iconic white beaches, crystal-clear water, and breathtaking viewpoints. The Surin Islands are especially known for their healthy coral reefs, diverse marine life, and excellent snorkeling opportunities. Travelers seeking postcard-perfect island landscapes often choose the Similan Islands, while dedicated snorkelers frequently consider the Surin Islands their favourite destination.
For more information on our Surin Early Bird Tour click here
Can Children Join the Similan Islands Speedboat Tour?
Families with children regularly join Similan Islands tours and many children consider it one of the highlights of their holiday. Children who enjoy beaches, boats, swimming, and snorkeling usually have a fantastic experience. Parents should be aware that transfers and speedboat journeys can be relatively long, particularly for younger children. For families travelling with small children 5 years and younger we generally recommend our Similan Early Bird Tour by Speedcatamaran for a more enjoyable experience.
What Marine Life Can You See at the Similan Islands?
The Similan Islands are home to a wide variety of marine species and are considered one of Thailand’s top snorkeling destinations.Depending on weather conditions and seasonal factors, visitors may encounter:• Sea turtles
• Clownfish
• Parrotfish
• Butterflyfish
• Angelfish
• Moray eels
• Reef sharks
• Colorful coral reefs
Wildlife sightings can never be guaranteed, but the Similan Islands consistently offer some of the best snorkeling opportunities in Thailand.
Our Honest Opinion
The Similan Islands are one of the most impressive day trips available from Phuket and Khao Lak and are often considered among the most beautiful islands in Thailand. If you enjoy snorkeling, tropical beaches, crystal-clear water, and spectacular scenery, this tour is likely to become one of the highlights of your Thailand holiday. However, travelers staying in Phuket should be aware that the transfer to the pier in Khao Lak can be relatively long. Depending on your hotel location and traffic conditions, the land transfer may take approximately 2–3 hours each way. This means the day starts very early and can be quite long.For guests who do not mind an early start and a full day of travel, the experience is usually well worth it. However, families with very young children, elderly travelers, or guests who prefer shorter transfer times may wish to consider alternative tours closer to Phuket or our more comfortable Similan Islands Speed Catamaran Tour.
For travelers seeking iconic tropical island scenery and some of Thailand’s best snorkeling, the Similan Islands remain one of our top recommendations.






