Phuket is the largest island in Thailand and is surround by the Andaman Sea. Scuba diving in Phuket is commonly listed as one of the top 10 places to scuba dive in the world! From large whale sharks and manta rays to walls, caves, and wrecks, scuba diving in Phuket offers a wide range of diverse diving suitable for divers of any level.
While shore diving in Phuket is feasible at certain times of the year, most scuba diving in Phuket is done by boat, which can take you to the neighboring islands of Phi Phi and Racha on a day trip. Visibility can vary based on time of year but mostly offers 20-100 feet of visibility.
Phi Phi Island
Shark point is a marine sanctuary and is named for its leopard sharks and bamboo sharks. This site offers reef fish and schooling fish amongst the backdrop of beautiful corals.
Anemone reef has, you guessed it, anemones! There are numerous multi-colored anemones covering the 100-foot deep limestone pinnacle. Many species of fish are attracted to the anemones and the pinnacle.
This shipwreck was a catamaran-hull passenger-cruiser that sank in May 1997. The King Cruiser sits in 100 feet of water with interesting features in just 30-70 feet of water. This wreck offers easy penetration to enjoy the interior parts of the ship.
Koh Bida Nok/Koh Bida Nai
In the southern Phi Phi Island chain lies two limestone islands: Koh Bida Nok and Koh Bida Nai. They feature sea snakes and hawksbill turtles. You will find caves at Bida Nai that are full of a variety of species including moray eels, barracuda, leopard sharks, ghost pipefish, and scorpion fish. Sometimes blacktip and whitetip reef sharks make an appearance as well.
Koh Dok Mai
Koh Dok Mai is a tiny jungle topped island that offers some of the most diverse scuba diving in Phuket. It can be dove on the way to the Phi Phi Islands from Phuket. Considered one of the best wall dives in the area, this drift dive takes you past walls riveting with caves and yellow tube corals. Moray eels can be spotted hiding in the crevices. If you visit November to May, you can find baby nurse sharks and whale sharks.
It is popular to dive here during the summer months of May to November. In Racha Yai, numerous dive sites await that have staghorn coral, man-made monuments, batfish, moray eels, many species of reef fish, spotted eagle rays, and boat wrecks.
Racha Noi South Tip
Racha Noi is the place to see pelagics. Manta rays and whale sharks gracefully glide through the waters above the submerged boulders. This place can also have some current making for an exhilarating drift dive.
When to visit Phuket
If you are looking for whale sharks, scuba diving in Phuket from February to May will give you the best chance. Water temperatures are also at their highest around this time, peaking at around 87°F. However, you will rarely find water temperatures below 82°F throughout the year. Monsoon season is mostly April through November when no shore diving is allowed.