July 26, 2025
Known as Thailand’s “Turtle Island,” Koh Tao is world-famous for its crystal-clear waters, vibrant coral reefs, and abundant marine life. While it’s a diving hotspot, snorkeling here is just as rewarding — no scuba certification needed. From shallow bays with colorful fish to coral gardens teeming with sea life, the island offers some of the best snorkeling in Southeast Asia. With warm waters year-round and dozens of accessible locations, Koh Tao is a must-visit for anyone who loves exploring the ocean.
Top Snorkeling Spots You Can’t Miss
One of the most iconic places is Shark Bay, named for the harmless blacktip reef sharks that glide gracefully through the turquoise shallows. It’s also home to green sea turtles, making it a dream location for underwater photography. Aow Leuk Bay offers gentle conditions, vibrant corals, and plenty of parrotfish, while Mango Bay is perfect for beginners thanks to its calm waters and easy beach access. For something truly special, take a short boat ride to Koh Nang Yuan, a small cluster of islands connected by a sandbar, where the coral reef begins just steps from the beach.
Tips for the Perfect Snorkeling Experience
The best time for snorkeling around Koh Tao is between March and September, when the seas are calm and visibility is at its best. Always wear reef-safe sunscreen to protect the marine ecosystem, and consider renting or bringing a mask with a good fit to make the most of your time in the water. Many beaches offer direct access to reefs, but for the more remote spots, hiring a long-tail boat can be a great adventure in itself. Whether you’re visiting for a day or staying long-term, Koh Tao’s underwater world is something you’ll never forget.