Koh Racha Yai, nestled in the sparkling waters of Thailand's Andaman Sea, is an idyllic diving destination that promises breathtaking underwater adventures. Known for its vibrant marine life and crystal-clear visibility, this island attracts divers of all experience levels who seek the beauty of coral reefs and diverse aquatic creatures. With its calm and warm waters, Koh Racha Yai is ideal for both novices and seasoned divers alike, ensuring a memorable experience for everyone.
Last updated: 2 yr. ago - Apr 25, 2025
Dive Destination Overview
Depth
5m - 35m
Water Temperature
26 °C - 30 °C
Visibility
20 - 30m
Experience Level
Surface Conditions
Currents
34 Dive sites near Koh Racha Yai
Homerun Reef
Bungalow Bay
Anemone Reef
Stone Coral Garden
Koh Hey/Coral Bay
Bay 2 Racha Yai
Nakaley
Manta Reef, Racha Noi
Racha Noi South Tip
Lucy's Reef
Tai Pau
Kamala Rock
Siam Bay
Marina Bay Racha Noi
Kata Beach South Reef
Ao Sane
Koh Doc Mai
Staghorn Reef
Tin Lizzy (Wreck)
Koh Racha Yai
Camera Bay Racha Noi
Racha Noi
Yanui Beach
Shark Point
Kata Beach North Reef
Racha Noi Bay
Koh Waeo South
Bay 3, Racha Yai
Ayara Bay
Banana Rock Racha Noi
Bay 1 Racha Yai
Koh Waeo North/Banana Rock
King Cruiser
Karon cubes
Table of Contents
Show MoreKoh Racha Yai, a tropical paradise located just south of Phuket, is renowned for its stunning dive sites and serene surroundings. The island boasts warm water temperatures ranging from 26°C to 30°C, making it perfect for year-round diving. With clear visibility often exceeding 30 meters, divers can make the most of their underwater exploration, spotting colorful corals and vibrant marine life.
The dive sites around Koh Racha Yai cater to divers of all levels. For beginners, the shallow reefs offer a safe yet exciting introduction to diving. More advanced divers can explore deeper sites with stronger currents, where pelagic species like barracudas and occasional manta rays can be seen. Regardless of skill level, the island's underwater scenery is simply captivating.
Key Features
- Location: Southern Thailand, near Phuket
- Visibility: 30m+ on average
- Water Temperature: 26°C - 30°C
- Dive Sites: Suitable for all levels
Whether you are looking to take your first plunge or enjoy advanced dives, Koh Racha Yai provides ample opportunities to explore vibrant coral gardens and engage with an array of marine species. Not only is the underwater experience magnificent, but the island itself is also charming, offering pristine beaches perfect for relaxation after a day of diving.
Travelers seeking adventure, beauty, and tranquility will find Koh Racha Yai to be a diving haven. It is easily accessible by boat from Phuket, making it a convenient escape for divers visiting Thailand. With its alluring underwater world, it's no wonder that Koh Racha Yai is a recommended destination for diving enthusiasts around the globe.