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Scuba Diving on Koh Rok : Pristine Waters and Thrilling Dives
Koh Rok, part of the Trang archipelago, offers some of the most beautiful dive sites in the Andaman Sea. Known for its vibrant coral reefs and crystal-clear waters, Koh Rok is a dream destination for divers seeking both adventure and tranquility. With an abundance of marine life and excellent visibility, Koh Rok provides unforgettable experiences for divers of all skill levels.

Top Dive Sites Around Koh Rok
The two islands, Koh Rok Nok and Koh Rok Nai, are separated by a narrow channel and offer diverse dive experiences. Each side presents stunning underwater scenery, making Koh Rok a favorite for diving trips departing from nearby islands like Koh Lanta and Koh Ngai.
- Rok Nok Reef : This shallow reef is perfect for beginner divers and snorkelers, offering an incredible display of soft corals and colorful fish. The calm conditions make it a comfortable and scenic dive for those new to the underwater world.
- Rok Nai Wall : A deeper dive site along the island’s steep underwater wall, this spot is popular with advanced divers. The wall is covered with a variety of hard and soft corals, attracting schools of barracuda and trevally.
- The Channel : The narrow passage between Koh Rok’s two islands offers an exciting drift dive. Divers are often greeted by turtles, moray eels, and rays swimming through the channel’s lively currents.
Marine Life Around Koh Rok
The coral reefs around Koh Rok teem with marine life, providing a rich environment for underwater exploration. Divers can expect to encounter parrotfish, butterflyfish, lionfish, and clownfish among the vibrant corals. The islands are also known for frequent sightings of hawksbill turtles and blacktip reef sharks. On occasion, divers might spot stingrays resting on the sandy bottom or octopuses camouflaged among the rocks.


Best Time to Dive on Koh Rok
The prime diving season for Koh Rok is between November and April, when the weather is dry, and the sea is calm. During these months, visibility can reach up to 30 meters, allowing for stunning views of the coral reefs. The rainy season, from May to October, brings rougher seas and reduced visibility, making it a less reliable time for diving.
Dive Operators and Facilities
Many dive operators in Trang, Koh Lanta, and Koh Ngai offer trips to Koh Rok. These trips typically include transportation, equipment rental, and professional dive guides. PADI courses and multi-dive packages are also available, making it easy for divers of all levels to explore Koh Rok’s underwater world. For those looking to extend their adventure, some operators offer liveaboard trips, allowing divers to spend several days exploring Koh Rok and other nearby sites.
