Koh Ma — Sandbar Walk, Reef Snorkelling & Sunsets
Koh Ma sits at the very northwest tip of Koh Phangan, a small uninhabited islet just offshore from Mae Haad beach. What makes it special is entirely natural: a low-tide sandbar connects it to the mainland, the reef wrapping its western flank is protected as a marine zone, and the west-facing shore delivers a quiet sunset over the Gulf once you're out of the water. It is one of those places that rewards the small effort of timing a visit around the tide.
The snorkelling is the headline. Koh Ma's reef is widely regarded as the best shore-entry reef on the island — not a deep-dive site, but a shallow, easily reached spread of live coral, anemones, clownfish and parrotfish that almost anyone can get to with a mask and fins. The inner shallows have taken pressure from foot traffic over the years, but swim out past the buoys and the coral and fish life improve noticeably. On a calm, clear day you can spend hours drifting over it.
The sandbar experience is the other half. At low tide a spit of sand rises from the sea between Mae Haad and the islet — you walk across with the water lapping on both sides, ankle-deep for much of it. At high tide that same route disappears under a metre or more of water. Checking the tide before you go is not optional; it changes the experience entirely. Time it right — cross at low tide, snorkel through the rising water, catch the sunset from the islet's western shore — and Koh Ma makes for one of the most memorable half-days on Koh Phangan.