Sun, sand and sea on the beach. Langkawi,(Jawi:لانكاوي ) officially known as Langkawi, the Jewel of Kedah (Malay: Langkawi Permata Kedah) is an archipelago of 99 islands (an extra 5 temporary islands are revealed at low tide) in the Andaman Sea, some 30 km off the mainland coast of northwestern Malaysia.