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

Secret Reef in Koh Chang is a hidden gem among Thailand's diving locales, offering an exceptional underwater adventure for divers of all skill levels. This secluded spot is famed for its pristine coral formations and a diverse array of marine life, providing a tranquil escape into the underwater world. Whether you're just starting your diving journey or seeking new depths to conquer, Secret Reef presents a unique opportunity to dive into less-traveled waters, away from the crowds.

Timing Your Dive: The Best Seasons to ExploreSecret Reef

The ideal time for diving at Secret Reef is from November to April, coinciding with Koh Chang's dry season. These months offer the best conditions for diving, with warm water temperatures ranging from 27°C to 30°C (81°F to 86°F) and excellent visibility. This period allows divers full access to the beauty of Secret Reef, highlighting the vibrancy of its marine 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

Secret Reef is a sanctuary for an incredible variety of marine life. Divers can expect encounters with colorful schools of fish, elusive sea turtles, and perhaps even the gentle giants of the sea, whale sharks. The reef's biodiversity includes everything from small, intricate nudibranchs to impressive barracudas, making each dive an exciting exploration of life beneath the waves.

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: The waters around Koh Chang, including Secret Reef, are invitingly warm throughout the year, ideal for comfortable dive experiences. Underwater Visibility: Secret Reef boasts clear waters, with visibility often extending up to 30 meters (100 feet), allowing divers to fully appreciate the underwater landscapes. Currents: The currents at Secret Reef can vary, offering both gentle drifts for beginners and more challenging conditions for experienced divers. Depth: This dive site caters to all levels, with areas ranging from shallow coral gardens perfect for novices to deeper spots that will intrigue advanced 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. Secret Reef in Koh Chang is an enchanting dive site that remains somewhat of a hidden treasure, offering divers the chance to explore untouched coral gardens and abundant marine life in peaceful solitude. Its diverse conditions cater to every level of diver, promising memorable underwater adventures. Whether you're drawn to the tranquility of the reef or the thrill of discovery in its clear waters, Secret Reef is a must-dive location that captures the essence of diving in Koh Chang.