
Top 4 Snorkeling Trips from Phuket:
1. Similan Islands
2. Phi Phi Islands
3. Koh Rok
4.Surin Islands
1. Similan Islands
- Best Time to Visit: November to May
- Google Map Location – click here
- Day Trip Information From Phuket and Khao Lak
Renowned for exceptional underwater visibility, often reaching up to 30 meters, the Similan Islands offer breathtaking underwater landscapes. Snorkeling in Thailand is an unforgettable experience, especially in this region. Just below the surface, snorkelers are immersed in a world of vivid coral reefs, where sunlight filters through the clear water, illuminating dramatic rock formations and casting dancing shadows. The Similan Islands truly epitomise the beauty of snorkeling in Thailand, with their unmatched clarity and vibrant marine life.
During the Similan Islands Snorkeling trip you will have the opportunity to walk around two islands during the day and snorkel on two different coral reef areas. The Similans are also known for occasional whale shark encounters between October and May. While sightings are rare, encountering one of these magnificent creatures in their natural habitat would be an extraordinary experience.


A dazzling array of marine life, including majestic sea turtles that surface for air and a kaleidoscope of colorful fish: angelfish, parrotfish, and butterflyfish to name a few that weave through the coral, creates an unforgettable underwater spectacle.
The Similan Islands are a world-class snorkeling destination you do not want to miss on your Thailand adventure. Snorkeling in Thailand doesn’t get much better than this, as the islands are a protected National Marine Park, ensuring the preservation of their pristine environment. With a limit of 3,325 people per day, pre-booking a trip is advised to fully enjoy the magic of snorkeling in Thailand amidst these breathtaking surroundings.

2. Koh Phi Phi Islands
- Best Time to Visit: December to April
- Google Map Location – click here
- Day Trip Information From Phuket
Made famous by the movie “The Beach,” Koh Phi Phi offers stunning scenery both above and below the water. The calm, turquoise waters surrounding the islands are perfect for beginners, with easy access to snorkeling spots from popular beaches like Maya Bay. Expect to see colorful reef fish, and perhaps even blacktip reef sharks in deeper areas.
The iconic limestone cliffs of the Phi Phi Islands are a testament to the power of nature and a prime spot for snorkeling in Thailand. Sculpted over millennia by wind and waves, these dramatic formations rise from the turquoise waters of the Andaman Sea, creating a truly unforgettable landscape. Snorkeling in Thailand around the Phi Phi Islands offers the chance to explore the vibrant marine life thriving beneath these cliffs, while the porous limestone, often covered in lush vegetation, adds a touch of vibrant green to the rugged grey rock.


Nestled within the stunning Phi Phi Leh island, Pileh Lagoon is a hidden gem of emerald-green waters encircled by dramatic limestone cliffs. This secluded lagoon offers a tranquil escape, perfect for swimming and snorkeling in its calm, shallow waters. The narrow entrance, flanked by towering rocks, adds to the sense of discovery and creates a breathtaking natural amphitheater.
Explore Pileh Lagoon on a Phi Phi Islands Snorkeling Day Trip offers a fascinating glimpse into the geological history of this stunning archipelago.
3. Koh Rok
- Best Time to Visit: November to April
- Google Map Location – click here
- Day Trip Information From Phuket
Koh Rok is part of the Mu Koh Lanta National Park, which ensures its natural beauty is preserved and makes it a top destination for snorkeling in Thailand. This protected status not only safeguards the islands’ ecosystem but also maintains the pristine environment that draws so many nature lovers and snorkelling aficionados. Snorkeling in Thailand at Koh Rok is particularly special, as its remote location means it remains relatively untouched by mass tourism, providing an unspoiled setting that adds to its charm.


Nestled in the Krabi province, Koh Rok is a stunning archipelago that has earned a well-deserved reputation as a prime destination for snorkelling enthusiasts from Phuket. This idyllic location is characterised by its pristine white-sand beaches, crystal-clear turquoise waters, and vibrant coral reefs that lie just offshore.
The shallow waters around Koh Rok offer perfect conditions for snorkelling in Thailand, with excellent visibility that allows visitors to fully appreciate the rich marine life. Snorkeling in Thailand at Koh Rok is a dream come true, as the islands are home to an array of colourful fish, sea anemones, and various other marine species, making it a haven for those looking to explore underwater wonders.
For those staying in Phuket, day trips to Koh Rok are a popular option. These excursions offer an easy way to experience the island’s natural beauty. Whether you’re a seasoned snorkeller or a casual visitor, Koh Rok’s underwater world is sure to leave a lasting impression.
4. Surin Islands
- Best Time to Visit: November to April
- Day Trip Information – Coming Soon.
- Google Map Location – click here
Hidden in the North Andaman Sea, the Surin Islands are part of Mu Ko Surin National Park and offer a serene snorkelling experience far from Thailand’s busier hotspots. Their vibrant coral reefs teem with marine life, including colourful fish, sea turtles, and the occasional reef shark or barracuda.


The islands’ seclusion makes them perfect for those seeking a quieter connection with nature, and they are a prime spot for snorkeling in Thailand. Unlike crowded destinations, the Surin Islands provide crystal-clear waters and a tranquil atmosphere, ideal for exploring the underwater world. Visit between November and April for calm seas and peak visibility. For snorkelling enthusiasts, snorkeling in Thailand at the Surin Islands is a must-see experience in a paradise of unspoiled beauty.
Whether you’re a seasoned snorkeller or a beginner eager to explore Thailand’s underwater wonders, the Surin Islands are one of the finest spots for snorkeling in Thailand, promising an unforgettable adventure. With their unspoiled beauty and rich marine biodiversity, these islands are a testament to the magic of nature and the unparalleled experience of snorkeling in Thailand, waiting to be discovered.