Thailand is known for its stunning beaches, delicious food, and vibrant culture. But did you know that it’s also a top destination for scuba diving enthusiasts? With crystal clear waters, diverse marine life, and a variety of dive sites for all skill levels, Thailand is a scuba diving paradise.
Whether you’re an experienced diver or a beginner looking to get certified, there are plenty of amazing spots to explore in Thailand. From the Similan Islands to Koh Lipe and Koh Tao, let’s dive into the best scuba diving destinations in Thailand.
The Similan Islands: A Diver’s Dream Destination

The Similan Islands are often considered the best scuba diving destination in Thailand. This group of nine islands is located in the Andaman Sea, about 60 kilometers northwest of Phuket. The clear blue waters surrounding the islands are home to an abundance of marine life, including whale sharks, manta rays, and colorful coral reefs.
Some of the top dive sites in the Similan Islands include:
1. East of Eden
East of Eden is a popular dive site located on the east side of Similan Island #7. This site is known for its large granite boulders and vibrant coral gardens. Divers can expect to see a variety of marine life, including barracudas, snappers, and giant trevally.
2. Elephant Head Rock
Elephant Head Rock is a unique dive site named after a large rock formation that resembles an elephant’s head. This site is located in the northern part of the Similan Islands and is known for its stunning underwater rock formations and abundant marine life, including schools of yellowtail barracudas and reef sharks.
3. Christmas Point
Christmas Point is a must-visit dive site in the Similan Islands. Located on the west side of Similan Island #9, this site is known for its vibrant coral gardens and colorful fish, including butterflyfish and angelfish. Divers can also spot larger marine life, such as whale sharks and manta rays.
Koh Lipe: A Hidden Gem for Scuba Diving

Koh Lipe is a small island located in the Andaman Sea, close to the border with Malaysia. Despite its small size, Koh Lipe offers some of the best scuba diving in Thailand. The island is surrounded by clear turquoise waters and is home to a diverse range of marine life.
Some of the top dive sites in Koh Lipe include:
1. Yong Hua Shipwreck
Yong Hua Shipwreck is a popular scuba diving site in Koh Lipe, Thailand. It is located on the southern side of the island and is accessible by boat from the main beach. The dive site is named after the Chinese cargo ship that sank here in 1996, which now serves as an artificial reef for marine life.
2. Stonehenge
Stonehenge is another popular dive site in Koh Lipe, named after the large granite boulders that resemble the famous Stonehenge monument in England. Divers can expect to see a variety of colorful fish, including clownfish and parrotfish, as well as larger marine life like blacktip reef sharks.
3. 8 Mile Rock
8 Mile Rock is a more challenging dive site located a few kilometers off the coast of Koh Lipe. This site is known for its deep walls and strong currents and is home to a variety of marine life, including eagle rays, barracudas, and even whale sharks.
Koh Tao: A Diver’s Playground

Koh Tao, also known as Turtle Island, is a small island located in the Gulf of Thailand. It’s a popular destination for scuba diving due to its calm waters and wide range of dive sites suitable for all levels of divers.
Some of the top dive sites in Koh Tao include:
1. Chumphon Pinnacle
Chumphon Pinnacle is a world-renowned dive site located about 12 kilometers northwest of Koh Tao. This site is known for its deep underwater pinnacles and a wide variety of marine life, including whale sharks, barracudas, and schools of trevally.
2. Southwest Pinnacle
Southwest Pinnacle is another popular dive site in Koh Tao, located about 2 kilometers southwest of the island. This site is known for its dramatic underwater rock formations and an abundance of marine life, including stingrays, leopard sharks, and schools of fusiliers.
3. Shark Island
Shark Island is a smaller dive site located just off the coast of Koh Tao. Despite its name, divers are more likely to spot blacktip reef sharks rather than larger species like tiger sharks. This site is also home to a variety of colorful coral formations and fish.
- Read also: 4 Best Beaches In Thailand: A Complete Guide
Frequently Asked Questions
What is the best time of year for scuba diving in Thailand?
The best time of year for scuba diving in Thailand is between November and April when the seas are calm and visibility is at its best. However, some dive sites like the Similan Islands are closed from May to October due to the monsoon season.
Do I need a scuba diving certification to dive in Thailand?
Yes, all divers are required to have a scuba diving certification before diving in Thailand. If you’re not certified, you can take a beginner’s course with a certified dive center to get your Open Water Diver certification.
What kind of marine life can I expect to see while scuba diving in Thailand?
Thailand is home to a wide variety of marine life, including colorful tropical fish, reef sharks, whale sharks, manta rays, and even sea turtles. The Similan Islands and Koh Lipe are known for their large marine species, while Koh Tao offers a more diverse range of smaller fish and coral formations.
Conclusion
Thailand offers some of the best scuba diving in the world, with crystal clear waters, diverse marine life, and a variety of dive sites for all levels of divers. From the famous Similan Islands to the hidden gems of Koh Lipe and Koh Tao, there’s no shortage of amazing spots to explore.
Whether you’re a seasoned diver or a beginner looking to get certified, Thailand has something to offer. Just remember to plan your trip during the best time of year for diving and make sure to get your scuba diving certification before hitting the water.
So pack your dive gear and get ready to explore the wonders of scuba diving in Thailand. The best spots for scuba diving in Thailand are waiting for you!