Scuba Diving on Trang Island : Explore Thailand’s Hidden Underwater World

Trang, located on Thailand’s Andaman coast, offers some of the most scenic and lesser-known diving experiences in the region. Its dive sites remain beautifully preserved, providing an exciting underwater experience for both beginner and experienced divers. Known for crystal-clear waters and vibrant coral reefs, Trang’s islands are home to diverse marine life that makes every dive unique.

In this guide, we’ll introduce you to the top dive spots around the Trang islands and offer tips to make the most of your scuba diving adventure.

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Top dive sites around Trang Island

Trang offers access to a variety of exceptional dive sites, ranging from shallow coral gardens to deeper walls and underwater pinnacles. Each site offers a unique ecosystem filled with colorful marine life, making every dive memorable.

  • Koh Kradan : Known for its spectacular coral gardens, Koh Kradan is perfect for both snorkeling and scuba diving. The visibility is excellent on most days, and you can encounter schools of reef fish swimming around soft corals.
  • Koh Rok : A little farther from Trang, Koh Rok offers deeper sites with thriving marine life. This area is known for its clear waters and sightings of larger species like reef sharks and rays.
  • Hin Daeng and Hin Muang : These two submerged pinnacles are favorites for experienced divers seeking an adrenaline rush. Famous for sightings of manta rays and even the occasional whale shark, these sites boast some of the deepest and most exciting dives in the Andaman Sea

Marine life to expect

Trang’s dive sites are teeming with marine life. Expect to see a variety of reef fish, including parrotfish, angelfish, and clownfish darting among the coral. Lucky divers may also spot hawksbill turtles and giant moray eels lurking in the reef crevices.

For those diving at deeper sites like Hin Muang, encounters with manta rays or a whale shark are not uncommon during the right season​

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Best time for Scuba Diving in Trang

The best time for scuba diving in Trang is from November to April, when the sea is calm, and visibility is at its peak. During the rainy season, rougher seas can affect diving conditions, and some sites may become inaccessible. Plan your dives in the dry season to experience the full beauty of Trang’s underwater world.

Dive with Local Operators

Several local operators offer diving trips from the mainland or nearby islands like Koh Mook. Dive packages often include transportation, equipment rental, and professional instructors, ensuring that both beginners and advanced divers have a safe and enjoyable experience.

For the most adventurous, liveaboard diving trips departing from Trang are an excellent way to explore remote dive sites like Hin Daeng and Koh Rok.

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