Racha Yai Island diving and snorkeling with Phuket Dive Tours

Racha Yai Scuba Diving


Racha Yai Easten dives sites are located 1-2 hours boat ride South of Phuket departing from Chalong Bay, the Koh Raya island offers plenty of hard coral reef sites and colourful Large schools of tropical fish. There’s also enjoyable snorkelling around the rocks in the shallow waters bays. The diving sites are suitable for the beginners new to diving, student divers in Training, Advanced Divers and snorkelers. At Phuket Dive Tours we offer you a great scuba Diving day trips to Racha Yai Island visiting the best dive sites, 2 reef and wreck dives including lunch now on special at 3,000 THB but you need to book in advance.


The spelling and the name can vary from Rajah, Racha, and Raya often prefixed by the word Koh which means Island, and followed by “Yai” that means Large or Big, hence Racha Yai Island is known to locals as “Big King” – Phuket diving boats have been visiting this Island for over 20 years..

Racha Yai Island still continues to this day to be one of the most popular dive sites near Phuket for Beginners learning to Scuba dive, or Fun Diving Day Trips. With so many different dive sites to choose from, with a variety of unusual aquatic marine life on shallow coral reefs, sloping walls, and 3 good wrecks, its easy to see why Racha Yai Dive sites can offer something for all levels of scuba divers making this island a favourite destination for both snorkelers and divers.

The depth of diving sites average at about 12m the maximum being 40m, Racha Yai is a popular diving destination as visibility is often between 15m – 30m, currents can be mild to strong, and can offer a great opportunity for some enjoyable drift diving.

Scuba diving Racha Yai Eastern coast line is dotted with dive sites starting at the north is Home Run  on the east coast line, Home Run can often be the start of the first dive if the current is running South or the last dive of the day if running North, the island is great for drift diving, however more and more Diving day trip boats are avoid drift dives with a return to boat (back to boat) Policy. Approx every 100m you will find a sheltered Bay forming a dive site as you travel South .


The dive site consists of a small rocky beach with a shallow water bay with hard corals dropping down to sandy patches here you will see all sorts of unusual marine life.


This dive site has a shallow sandy bay with fringed hard coral rock formations, suitable for beginner divers, diver training and snorkelling, and daily visited by snorkelling speedboats. Bay 2 dive site reef drops down to one of Racha Yai’s most visited Ship Wrecks. “The Harruby” several years ago was sunk by the department of costal resources and a local dive resort, as a means to attracting deeper divers away from the shallow reefs theta were becoming over populated.


The “Harruby Wreck site” sits at around 18-20m,.made from steal with the stern facing the island and the bow pointing East into the deeper water,. The shipwreck is host to many lion fish and bat fish parrot fish, schooling barracuda and on some occasions even passing manta rays have been seen soaring above the reef. If you continue to head East you can also fin another wreck a small wooden Boat however this is now scattered across the sand bottom at 26m- 28m. You can also dive the Harruby site by descending down the mooring line, where you can witness the size of the wreck and often spend time with the curious bat fish family.

Typically your dive plan if you dive from the shallows will encounter the Concrete structures (blocks) artificial reefs at 14-20m as you head east from the island, that Artificial structures are home to Nudibranch and giant Puffer fish, good for practicing Buoyancy but look carefully as they may be some Lion Fish hiding near by.



Koh Raya Site has again hard coral heads and one popular fish here is the clown anemone fish sitting on the edge of a large coral head which makes a great photo opportunity. Theres also a marine coral propagation garden that has been set up to replenish coral, as well as some hard concrete artificial reefs at 20-30m. The sandy patches are host to ribbon eels, Sea moths (Chicken Fish) and Indian walkmans. Morays eels are also present here in all bays along with the Peacock mantis shrimps and large schools of Barracuda, parrot fish


  • PADI Boat Diver
  • PADI Deep
  • PADI Fish Identification
  • PADI Underwater Photography
  • PADI Underwater Naturalist
  • PADI Wreck Diver

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