Diving at Sail Rock, Koh Tao

Discover the underwater marvel of Sail Rock, near Koh Samui! Experience exceptional diving with vibrant marine life and the famous chimney swim-through. Dive in for an adventure of a lifetime.

Diving into the Depths: The Allure of Sail Rock

Sail Rock, situated between Koh Phangan and Koh Tao, stands as a beacon for divers in the Gulf of Thailand. Renowned for its vertical swim-throughs, including the iconic chimney, and its abundance of marine biodiversity, Sail Rock promises divers from Koh Samui an unparalleled underwater journey. From the novice snorkeler to the seasoned diver, this site offers a blend of thrilling adventure and mesmerizing calm, set against a backdrop of stunning aquatic scenery.

Timing Your Dive: The Best Seasons to ExploreSail Rock

The prime diving season at Sail Rock extends from March to October, coinciding with the best sea conditions and weather in the Gulf of Thailand. This period ensures warm water temperatures and excellent visibility, ideal for exploring the rich marine life and intricate coral formations Sail Rock is famous for.

Sail Rock Diverse Marine Life

Whale shark

Whale shark

Blacktip reef shark

Blacktip reef shark

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

Barracuda

Barracuda

Butterflyfish

Butterflyfish

Lionfish

Lionfish

Parrot fish

Parrot fish

Sail Rock 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
Whale shark

Whale shark

LLMMLLLLMMLL
Box fish

Box fish

MMMMMMMMMMMM
Blacktip reef shark

Blacktip reef shark

LLLLLLLLLLLL
Lionfish

Lionfish

HHHHHHHHHHHH
Parrot fish

Parrot fish

HHHHHHHHHHHH

The Marine Marvels of Sail Rock: Animals and Seasons

The waters around Sail Rock teem with life, offering a spectacle of colorful fish, large pelagic species, and unique macro creatures. Divers can expect encounters with schools of barracuda, batfish, and the occasional whale shark, alongside vibrant soft corals, anemones, and myriad species of reef fish that make this pinnacle a microcosm of the ocean's wonders.

Sail Rock Diving Conditions

Recommended scuba diving level
Open water with experience

Water temperature25°C - 29°C
Underwater visibility10M - 40M
Underwater currentModerate to Strong
Depth10M - 40M
WeatherTemperature: 28°C - 35°C Monsoon season: Oct - Dec
Underwater hazardStrong Current
Water Temperature: Typically warm, ranging from 28°C to 30°C (82°F to 86°F), providing comfortable diving conditions without the need for heavy wetsuits. Underwater Visibility: Visibility at Sail Rock can be outstanding, often exceeding 20 meters (65 feet), offering clear views of the underwater landscapes and marine inhabitants. Currents: The site experiences a range of current conditions, from gentle flows suitable for beginners to more challenging currents that appeal to experienced divers, especially around the full moon. Depth: Sail Rock caters to a variety of diving preferences, with depths ranging from the surface down to about 30 meters (100 feet), including the chimney's entrance at 5 meters (16 feet) and exit at 18 meters (59 feet). Weather: The best diving conditions are experienced during the dry season, with calm seas and sunny skies enhancing the dive experience. Outside this period, conditions can vary. Hazards: While Sail Rock is relatively safe, divers should be mindful of strong currents and navigate the chimney and deeper areas with caution. Always dive with a reputable operator and within your certification limits. Diving at Sail Rock near Koh Samui is a must-do for anyone seeking to explore the underwater treasures of the Gulf of Thailand. Its unique geological features, coupled with the abundance of marine life, make it an exceptional dive site for photographers, adventure seekers, and marine enthusiasts alike. Whether you're gliding through the chimney or marveling at the aquatic life that flourishes around this natural monument, Sail Rock offers a memorable dive experience that keeps enthusiasts returning year after year.