Best Hidden Beaches in Koh Tao

Hidden Beaches in Koh Tao: The Island's Best-Kept Secrets

Koh Tao is small enough to explore entirely in a few days, yet still manages to conceal a handful of genuinely hidden spots that most visitors, even those staying for multiple weeks, never discover. The island's topography of steep jungle-covered granite ridges means that several coves on the east and north coasts are inaccessible by road and invisible from any tourist path, requiring either a boat or a genuine commitment to walking on rough tracks. These hidden beaches are not necessarily more beautiful than the main resort beaches, but they offer something increasingly rare on a popular tropical island: the sensation of having found a place that is genuinely your own, however briefly.

Top Hidden Beaches in Koh Tao

Mango Bay

In the far northwest of Koh Tao, Mango Bay is accessible only by longtail boat from Mae Haad or Sairee, a short ride that virtually eliminates the casual day-tripper. The bay has a beautiful rocky beach, extraordinarily clear water, and some of the best snorkelling accessible without a dive tank on the island. The coral coverage on the rocks at the bay's edge is excellent, and the fish life is rich precisely because the bay receives so few visitors. A single small and intermittently operating café provides drinks, but it is safest to bring your own supplies. The northwest location means the afternoon sun falls on the bay beautifully, and the lack of commercial development makes it easy to spend three or four hours here entirely undisturbed.

Ao Mamuang by Longtail

Adjacent to Mango Bay and similarly accessible only by boat, Ao Mamuang is a smaller and even less visited inlet with a particularly secluded character. The rocky shoreline and dense coastal vegetation give it a wilder feeling than the sandy beaches of the main resort areas, and the snorkelling on the rocky walls is outstanding. Very few tourist operators mention this bay, and the absence of any facilities means it attracts only determined independent travellers with their own equipment and supplies. A combined visit to Mango Bay and Ao Mamuang in a single longtail charter from Mae Haad makes for one of the best full-morning excursions available from Koh Tao, covering two hidden gems in a single journey through some of the most beautiful coastal scenery on the island.

Leam Thian Headland Beach

On the east coast of Koh Tao, the headland of Leam Thian requires a forty-minute walk on a rough unmarked trail from the Hin Wong Bay area to reach a tiny beach at the end of the promontory that is completely empty year-round. The walk through the island's interior jungle is challenging in the heat but rewards with extraordinary views over the east coast and out to the distant mainland. The beach itself is more rock than sand, but the water is some of the clearest on the island and the complete isolation is absolute. No other tourists, no facilities, no sound except the sea and the birds in the forest above. This is Koh Tao at its most raw, and the contrast with the busy Sairee resort strip twenty minutes away by boat could not be more complete.

Explore Koh Tao Beyond the Dive Centres

Find guesthouses and dive resorts for independent exploration at /en/hotels, and discover all Koh Tao beaches at /en/beaches/thailand.