Koh Chan

Samae San Marine Park

Koh Chan Samae San Marine Park

Learn about Koh Chan Samae San Marine Park Dive Site

Koh Chan, the southernmost island in the Samae San chain, offers stunning and diverse dive sites. This secluded island, located 10km (6 nautical miles) south of Samae San Pier, is known for its beautiful underwater scenery and rich marine life.

Location: South of Samae San Pier, the southeasternmost island in the Samae San chain
Depth: Max 18 meters, Min 6 meters – Average 12 meters
Type of site: Rocky formations with coral reefs, headlands, and shallow bays
Level: Suitable for all diver certifications
Conditions: Generally good all year round; the site can be dived on either side depending on the winds and currents
Average Visibility: 5 meters to 18 meters

Where are the dive sites at Koh Chan?

Koh Chan features several notable dive sites:

Koh Chan Reef Site: The headland on the southeast corner is the best dive site, starting shallow and rapidly getting deeper. Large rocks covered in sea fans, whip coral, hard and soft coral dominate the landscape.
Southernmost Tip: Huge rocks that have fallen from the cliff over centuries create an interesting dive environment. This area is ideal for snorkeling during lunch breaks, where small Black Tip reef sharks can often be seen.

What Aquatic Life is Common at Koh Chan?

Koh Chan hosts a rich variety of marine life, including:

Clownfish: Frequently seen darting among the vibrant anemones.
Sea Turtles: Regularly spotted throughout the dive sites.
Sting Rays: Often found hiding under the sand or gliding near the reefs.
Nudibranchs: Abundant and colorful, adding vibrant hues to the underwater scenery.
Yellow Tail Fusiliers: Schooling fish that add dynamic movement to the underwater environment.
Snapper Species: Commonly observed in schools around the reefs.
Blue Ring Angelfish: A striking and rare encounter, adding to the site’s allure.

Highlights: Stunning White Sand Beach, Anemones, and Gorgonian sea fans

White Sand Beach: The island boasts a stunning white sand beach which extends far out into the bay and is home to many marine species.
Anemones: Vibrant anemones are home to numerous clownfish, providing a colorful underwater display.
Gorgonian Sea Fans: The rocky formations are adorned with beautiful sea fans and whip corals, making the underwater scenery even more spectacular.

Koh Chan is a must-visit for divers looking to explore a less frequented, yet highly rewarding dive site with a rich array of marine life and diverse underwater landscapes.