Thailand is known for its crystal-clear waters and beautiful islands, and there’s no better way to explore these than on a Koh Samui snorkeling tour. Swim alongside colorful fish and marvel at coral reefs—you can even combine your underwater adventures with the wild pigs of Koh Mudsum. Whether you take a private speedboat or Chinese sailboat to your preferred spot, a snorkeling tour in Koh Samui is a great way to spend the day.