Scuba Dive at Secret Reef, Koh Chang

Unlock the underwater mysteries of Koh Chang at Secret Reef! Perfect for divers who love exploring vibrant corals and rich marine life in secluded spots.

Diving into the Depths: The Allure of Secret Reef

The Secret Reef in Koh Chang is a treasure in Thailand. This diving spot promises an amazing underwater experience for divers at any level of expertise. This secluded location is renowned for its reefs and a wide variety of marine creatures that create a peaceful retreat. Whether you're a novice diver beginning your exploration or an experienced diver looking for challenges to overcome; the Secret Reef offers a special chance to explore this hideaway waters and escape the hustle and bustle of crowded dive sites.

Timing Your Dive: The Best Seasons to ExploreSecret Reef

The best time to go diving at Secret Reef is typically between November and April when Koh Chang experiences its best season. The weather during these months is perfect for diving as the water is warm with temperatures ranging from 27°C to 30°C (81°F, to 86°F). Visibility underwater is exceptional. This time frame provides divers with an opportunity to explore the marine life at Secret Reef and appreciate the richness of its underwater ecosystem

Secret Reef 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

Barracuda

Barracuda

Butterflyfish

Butterflyfish

Lionfish

Lionfish

Parrot fish

Parrot fish

Secret Reef 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
Barracuda

Barracuda

HHHHHHHHHHHH

The Marine Marvels of Secret Reef: Animals and Seasons

The Secret Reef serves as a haven for an array of sea creatures to thrive in their natural habitat underwater. Divers can look forward to coming across schools of fish swimming. Divers may even have the chance to encounter the majestic whale sharks and elusive sea turtles roaming the waters. The reef boasts a biodiversity ranging from tiny intricate nudibranchs to imposing barracudas making every dive an exhilarating journey.

Secret Reef Diving Conditions

Recommended scuba diving level
All level

Water temperature28°C - 31°C
Underwater visibility5M - 20M
Underwater currentModerate to Strong
Depth5M - 20M
WeatherTemperature: 28°C - 35°C, Monsoon season: May - Oct
Underwater hazardNone
Water Temperature: remains pleasantly warm all year round at spots like Secret Reef, making it perfect for diving adventures. 

Underwater Visibility: Secret Reef is renowned for its crystal waters that offer divers the opportunity to admire the underwater scenery with visibility reaching an impressive 30 meters (100 feet).

Currents: The currents around Reef tend to fluctuate; they provide a gentle drift suitable for novices and more strong demanding conditions that challenge seasoned divers. 

Weather: Dry season conditions ensure calm seas and sunny skies, creating optimal diving conditions. During the monsoon season, it's wise to check local conditions as they can change.

Hazards: Awareness of potential currents and navigating around the reef's natural structures is important for a safe diving experience. Being aware of currents and maneuvering around the formations of the reef are crucial, for ensuring a safe diving adventure. 

The hidden gem known as Secret Reef in Koh Chang is a captivating diving spot that holds a charm for those seeking unspoiled reefs and a rich variety of marine creatures. Divers of experience levels can find something to explore here. From the calm beauty of the reef to the exhilaration of discovering its crystal clear waters. Secret Reef is a diving destination that truly embodies the essence of diving. 

Explore Which Experience Is Best For You

Discover your perfect Secret Reef 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 Secret Reef and across Thailand. Explore our website to find the perfect experience for you, from beginner dives to advanced expeditions