Mat Lang Island is a hidden gem tucked away off the northeast coast of Samui Island, positioned directly in front of the northern end of Chaweng Beach and Bophut. Physically, the island is characterized by its small, pristine landscape featuring a blend of rugged rock formations and stretches of powdery white sand with crystal-clear turquoise waters. Because it remains largely undeveloped without permanent residents or major commercial infrastructure, Koh Mat Lang offers a serene and authentic natural escape, making it a preferred sanctuary for those looking to flee the vibrant crowds of Samui’s main beaches in search of privacy.

The quintessential highlight of Mat Lang Island is the Mini Sandbar or "Talay Waek" phenomenon. During low tide, a natural causeway emerges, linking the northern tip of Chaweng Beach to the island, allowing visitors to literally walk across the sea. Beyond the sandbar, the island's periphery serves as a notable snorkeling spot. The shallow coral reefs surrounding the island are home to various marine life, including parrotfish and sergeant major fish, which can be found darting between the submerged rocks and seagrass beds near the shoreline.

The most popular activity for visitors to Mat Lang Island is kayaking from the shores of Chaweng Beach. The short paddling distance provides a unique offshore perspective of Koh Samui’s coastline. Once on the island, the interior is covered with coastal scrub and swaying coconut palms that provide much-needed shade. Visitors often spend their time picnicking, relaxing with a book, or photographing the island’s distinctive granite boulders. However, as there are no public facilities, restaurants, or electricity on the island, travelers must come fully prepared with their own supplies and are strictly encouraged to practice "Leave No Trace" principles to preserve the fragile ecosystem of this small island paradise.

• By boat: You can rent a longtail boat from Chaweng Beach or Bo Phut Beach. The journey takes approximately 10-15 minutes.

• Kayaking: This is the most popular option for tourists staying near Chaweng Beach. You can rent a kayak from beachfront resorts and paddle across yourself (approximately 500-800 meters).

• On foot: During low tide, a sandbar forms connecting the northern headland of Chaweng Beach to Mat Lang Island, which you can walk across. (Always check the tide schedule beforehand.)

• Check the tide charts via apps or hotel staff before planning to walk across the sandbar.

• Wear water shoes to protect your feet from sharp shells or rocks around the island.

• Bring your own water and snacks as there are no shops or facilities on the island.

• Wear sun-protective clothing and apply reef-safe sunscreen to protect the marine ecosystem.

• Carry a trash bag to bring your waste back to Koh Samui for proper disposal.

• Check wind and wave conditions before kayaking to the island to ensure your safety.

• Avoid touching or stepping on coral reefs while snorkeling around the island's perimeter.

• Keep your camera or phone in a waterproof pouch before starting any water activities.

• Travel in the morning to enjoy ample time and return before the high tide sets in.

Admission Fee:

• Free admission (no island access fee / additional equipment or boat fees may apply)

Opening Hours:

• Open 24 hours (recommended to return to shore before 6:00 PM)