Lamai Beach, the second busiest beach in Koh Samui, is on the east coast of the Island. Lamai Beach is a 10 minute drive south of the Islands most popular beach, Chaweng Beach. Island Info, the Full Moon Party Experts offer quality tours and activities in Koh Samui and to Ang Thong National Marine Park, Koh Phangan, Koh Nang Yuan and Koh Tao. www.islandinfokohsamui.com