FAQ
Frequently asked questions
Clear facts about visiting the marine park.
Are the Similan Islands worth visiting?
Yes, they offer crystal-clear turquoise waters and pristine coral reefs. They are widely considered one of the best snorkeling destinations in Thailand.
How much is a day trip to the Similan Islands?
A group tour usually costs between 2,800 and 4,500 THB per adult from Khao Lak. Prices depend on the boat type and operator.
Can you stay overnight on the Similan Islands?
No. Overnight stays on the islands have been strictly prohibited since 2018. Only offshore liveaboard diving boats are allowed overnight.
Are the Similan Islands open all year?
No. The national park is strictly closed to all visitors from 16 May to 14 October annually.
How long is the boat ride to the Similan Islands?
The crossing takes 70 to 90 minutes by speedboat from Thap Lamu Pier in Khao Lak. Catamarans may take slightly longer.
What is the Similan Islands national park fee?
Foreign adults pay 500 THB and foreign children pay 250 THB. Most tours bundle this fee into the ticket price.
Is it better to go to Similan Islands from Phuket or Khao Lak?
Khao Lak is much closer. Traveling from Phuket adds up to two hours of driving each way before you reach the pier.
Which sunscreen is allowed in Thailand national parks?
Only reef-safe sunscreen is permitted. It must be completely free of oxybenzone, octinoxate, 4-MBC, and butylparaben.
Is it safe to take a speedboat to the Similan Islands?
Yes, but the ride can be very bumpy. If you are prone to seasickness, take medication 30 minutes prior or choose a catamaran.
Can I fly a drone on the Similan Islands?
No. Drones are prohibited unless you secure prior written permission from the national park authorities.
What is the difference between Similan and Surin Islands?
The Similans feature dramatic granite boulders and white sand beaches. The Surin Islands are known for shallower coral reefs and Moken culture.