Scuba Diving in Koh Wai

Explore the serene underwater beauty of Koh Wai, Koh Chang! Ideal for divers seeking vibrant coral reefs & diverse marine life in crystal-clear waters.

Diving into the Depths: The Allure of Koh Wai

Koh Wai, in the Koh Chang archipelago, is a gem for diving lovers. It gives a chance to explore the waters of Thailand with its serene setting and alluring underwater scenery of clear waters and colorful coral reefs. An underrated but truly captivating spot, Koh Wai provides a diving adventures whether you're a novice or seasoned diver seeking new thrills to enrich your diving journey.

Timing Your Dive: The Best Seasons to ExploreKoh Wai

The best time for diving is between October and May when the monsoon season is over and the water temperature hovers around 27°C to 30°C (81°F to 86°F). During this time frame, you'll get perfect views underwater and easy access to the dive spots.

Koh Wai Diverse Marine Life

Anemone fish

Anemone fish

Box fish

Box fish

Nudibranch

Nudibranch

Shrimp

Shrimp

Sea anemone

Sea anemone

Soft Coral

Soft Coral

Hard Coral

Hard Coral

Turtle

Turtle

Butterflyfish

Butterflyfish

Lionfish

Lionfish

Parrot fish

Parrot fish

Koh Wai Marine Life Sighting Calendar

HHigh chance
MMedium chance
LLow chance
-No sighting
ANIMAL
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
Anemone fish

Anemone fish

HHHHHHHHHHHH
Box fish

Box fish

MMMMMMMMMMMM
Sea anemone

Sea anemone

HHHHHHHHHHHH
Lionfish

Lionfish

HHHHHHHHHHHH
Parrot fish

Parrot fish

HHHHHHHHHHHH

The Marine Marvels of Koh Wai: Animals and Seasons

The waters surrounding Koh Wai are vibrant with marine creatures that call it home. Divers will encounter a plethora of fish swimming in schools alongside coral formations and might even catch a glimpse of a majestic sea turtle gliding gracefully. The thriving reefs in the area host an array of small crustaceans while lucky divers may witness the visit of a whale shark during their migration period.

Koh Wai Diving Conditions

Recommended scuba diving level
All level

Water temperature28°C - 31°C
Underwater visibility5M - 20M
Underwater currentModerate to Strong
Depth15M - 30M
WeatherTemperature: 28°C - 35°C Monsoon season: May - Oct
Underwater hazardStrong Current
Water Temperature: Warm throughout the year. Ideal for dives without requiring wetsuits. 

Visibility: It frequently surpasses 20 meters ( to 65 feet), enabling divers to marvel at the underwater scenery and marine creatures. 

Current: Koh Wai’s current range from gentle to moderate and offer opportunities for both exploration and exciting drift diving adventures. 

Depth: Depth at Koh Wai varies from shallow reef to deep sandy bottom. It’s perfect for both beginners to more seasoned divers

Weather: During the dry season, Koh Wai seas are peaceful and the skies sunny; however visibility and access to some spots may be impacted due to the currents.  

Hazard: Divers should be aware of the boat activity in the area to ensure a pleasant diving adventure.

Explore Which Experience Is Best For You

Discover your perfect Koh Wai scuba diving tour with Giant Stride! We offer a variety of options and price ranges to fit your budget and diving style. Browse our collection of dive center vendors to find your ideal experience.

Ready To Book Your Adventure With Giant Stride?

Giant Stride is the destination for booking and comparing scuba diving adventures and prices in Koh Wai and across Thailand. Explore our website to find the perfect experience for you, from beginner dives to advanced expeditions.




Koh Wai offers an escape into an underwater world filled with vibrant coral gardens and diverse marine life. It is a must-visit destination for divers exploring around Koh Chang. Its clear waters and diverse ecosystems promise an array of diving experiences. Visitors can enjoy a peaceful snorkeling to adventurous deep dives. Embrace the serendipity and beauty of Koh Wai's underwater realm, and let it be a highlight of your diving adventures in Thailand.