Kao Seng Beach

From Mae Haad pier, the drive takes around 25 minutes by car or motorbike along a steep jungle road — a 4WD or motorbike is strongly recommended, especially after rain. A seasonal boat transfer from Mae Haad pier takes about 20 minutes and is worth considering when road conditions are poor. There is no entry fee. A small informal free parking area sits at the road end for those arriving by vehicle.

The shore-entry coral garden is the main event — strap on a mask and fins and you're on the reef immediately. A short distance away, Ao Leuk offers a quieter southeast bay where turtle sightings on seagrass patches are a real possibility, and Tanote Bay (about 2 km out) has a concrete pier and a resident batfish colony worth exploring. For a change of pace above the waterline, the John-Suwan Viewpoint at 4 km delivers a sweeping hilltop panorama over Koh Tao's south coast.

Cafe del Sol and Famoso both serve Italian food within 200 metres of the beach — handy for a post-snorkel pasta. For something local, Pranee's Kitchen and Na Na Thai Food are equally close and cover regional and Thai cooking respectively. Regal Restaurant rounds out the options nearby if you want a more straightforward sit-down meal.

Planet Scuba Lodgings, 200 metres away, is a natural fit for divers and snorkelers making the most of the reef. Koh Tao Regal Resort and Ananda Villa are both within 200 metres and offer easy access to the beach without a long commute on that jungle road. Jom Thong Guesthouse and Au Aon Guesthouse are budget-friendly alternatives at the same distance.

Shoot from the granite boulders at the bay's edges in the early morning — the crystal-clear water picks up the low eastern light beautifully against the golden sand. The immediate shore-entry reef also makes for striking underwater shots; visibility is at its best from November through April.

Never stand on the coral — it's a firm local rule and the reef here is intact enough to be worth protecting. Road access becomes genuinely difficult in heavy rain, so check conditions before heading out and opt for a 4WD or motorbike rather than a low-clearance car. East-coast swells between October and December reduce underwater visibility and make water entry harder, so plan your visit between November and April for the best conditions — and avoid October and November specifically. The rocky beach entry is steep and uneven; it's not accessible for visitors with limited mobility.