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Phuket's Underwater World – Top Diving and Snorkeling Spots

Phuket offers some of the best diving and snorkeling in Thailand and is an ideal base for exploring other breathtaking underwater experiences in the area. The crystal clear waters and abundant marine life make the island a must for underwater enthusiasts. Here are the top spots in and around Phuket that you shouldn't miss!

Kata Beach

Kata Beach is a great place for those who prefer shore diving and snorkeling. Easy access and calm waters make it ideal for beginners and families. The reef here harbors a variety of marine life including parrotfish, butterflyfish and occasionally turtles.

Tip: Visit early in the day for the best visibility and fewer people!

Ao Sane Beach

Ao Sane Beach, near Nai Harn Beach, is a hidden gem for snorkeling enthusiasts. The rocky coastline and clear waters provide excellent conditions for exploring the underwater world. Snorkelers can expect to see a variety of fish, sea urchins and colorful corals.

Tip: Bring your own snorkeling gear and enjoy a quiet day away from the crowded beaches!

Paradise Beach

Paradise Beach, near Patong, is known for its clear water and colorful marine life. Snorkelers can see a variety of fish and corals.

Tip: Spend the day on the beach and enjoy the amenities of the nearby beach club!

Ya Nui Beach

Ya Nui Beach, south of Nai Harn, is a small, picturesque beach ideal for snorkeling. The calm waters and rock formations offer a rich variety of marine life.

Tip: Visit the beach in the morning when the water is clearest!

Koh Waeo

Koh Waeo is a fantastic dive site off the coast of Bangtao. The small rocky island offers crystal clear waters and an abundance of marine life. Guided tours offer breathtaking snorkeling and diving at many different sites.

Tip: Make sure you have ideal weather conditions to make both the crossing and your underwater experience as enjoyable as possible!

Coral Island

Coral Island, also known as Koh He, is a popular spot for snorkeling and scuba diving thanks to its clear waters and easily accessible reefs. Divers can explore well-preserved coral reefs and see a variety of marine life including parrotfish, surgeonfish and the occasional reef shark.

Tip: Visit Coral Island early in the morning for the best views away from the crowds. Book a guided tour to discover secluded diving and snorkeling spots!

Racha Islands

The Racha Islands, consisting of Racha Yai and Racha Noi, are suitable for both beginners and experienced divers. Racha Yai is known for its clear waters and beautiful coral gardens, while Racha Noi offers deeper and more challenging dives with the possibility of seeing larger fish.

Tip: Book a day trip from Phuket to explore the diverse marine life and enjoy the pristine beaches!

Koh Dok Mai

Koh Dok Mai is a small limestone island that offers excellent wall diving. The vertical walls are covered with colorful corals, sea fans and sponges and provide a habitat for a variety of marine life including seahorses and various crustaceans. The island also has several small caves and overhangs to explore.

Tip: This site is best visited as part of a liveaboard trip to fully appreciate its beauty and the surrounding dive sites!

Mai Thon Island

Mai Thon Island, also known as "Honeymoon Island", offers crystal clear waters and a variety of marine life. The coral reefs are well preserved and provide an ideal environment for snorkeling.

Tip: Join an organized tour that often includes dolphin watching!

Shark Point

Shark Point, southeast of Phuket, is a popular dive site known for its friendly leopard sharks. The site consists of three pinnacles covered in soft corals and sea fans that attract a variety of marine life including barracuda, moray eels and colorful reef fish.

Tip: Combine a visit to Shark Point with nearby dive sites such as Anemone Reef and King Cruiser Wreck for a full day of diving adventure!

Anemone Reef

The anemone-covered reef provides a vibrant and colorful habitat for clownfish and other coral fish. This sunken pinnacle is popular with divers for its beautiful coral formations and diverse marine life, including lionfish, scorpion fish and moray eels.

Tip: Start your dive at maximum depth and spiral up around the pinnacle for the best view of marine life!

King Cruiser Wreck

The King Cruiser Wreck, a sunken ferry near Phuket, has become a thriving artificial reef. The wreck is home to a variety of marine life including snappers and barracudas. The structure is overgrown with corals and sponges and offers a fascinating dive experience.

Tip: Experienced divers should explore the deeper parts of the wreck for a challenging dive!

Phi Phi Islands

The Phi Phi Islands offer spectacular diving and snorkeling with breathtaking underwater scenery. Popular sites include Bida Nok and Bida Nai, where divers can encounter blacktip reef sharks, turtles and a variety of tropical fish. The shallow reefs around Maya Bay are ideal for snorkeling.

Tip: Arrive early in the morning to avoid the crowds and experience marine life at its most active!

Similan Islands

The Similan Islands are world renowned for their incredible beauty and marine life. The islands offer a wide variety of dive sites, including the famous Richelieu Rock, where you can even see whale sharks and manta rays. There are also numerous shallow reefs and beautiful spots for snorkeling.

Tip: The Similan Islands are open to visitors from October to May. During the rest of the year, the National Park is closed to protect nature and due to dangerous weather conditions during the monsoon season. Plan your trip accordingly to enjoy these unique diving and snorkeling opportunities!



Phuket's diving and snorkeling sites not only offer breathtaking underwater adventures, but also the opportunity to get in touch with nature and escape the hustle and bustle. The warm waters, excellent visibility and abundant marine life make it an ideal destination for underwater photography and marine exploration. In addition, many of these sites are part of protected marine parks, ensuring the preservation of their natural beauty for future generations.

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