LANGKAWI

By far the largest of the islands is the eponymous Pulau Langkawi with a population of some 94,777 (2010), the only other inhabited island being nearby Pulau Tuba. Langkawi is also an administrative district with the town of Kuah as the capital and largest town.
Langkawi's one of the main mode of connections with other parts of Malaysia and neighboring countries is through boat or ferry services. There are several ferry routes and services that provide Langkawi's waterways. The nearest point linked with Langkawi by ferry is Kuala Perlis which is located 31kms to its east and on the western coast of Malaysia's main land.
From there on you are linked and can explore onwards to the other islands of the South Andaman Sea like the Tarutao, Koh Mook, Ngai, Lanta, Phi Phi and even Phuket.