Which is the longest and most beautiful beach in Ko samui?

Chaweng Beach is considered the longest and most beautiful beach in Ko Samui. It is located on the northeastern coast of the island and stretches for over 7 kilometers. Chaweng Beach is known for its white sand, crystal-clear waters, and lush green surroundings. It offers a variety of activities, such as swimming, snorkeling, sunbathing, and water sports. It also has a wide range of restaurants, bars, and shops, making it a popular destination for tourists visiting Ko Samui.