Koh Lan is the largest of the "near islands", off south Pattaya. It is at the southeast end of the Bay of Bangkok, on the eastern side of the Gulf of Siam. Administratively Ko Lan belongs to the Amphoe Bang Lamung, Chonburi Province.Away from the coastal city of pattaya just seven Kilometers. Beach tourists like to play water sports such as sailing ,drag, Scuba diving, Snorkeling, water Ski boat.