Reefs

The Similan Islands (Thai: หมู่เกาะสิมิลัน) are a group of nine small islands that are located in the Andaman Sea, just 70 kilometres off the coast of mainland Thailand. The number of islands are what give them their name, as 'sembilan' means nine in the Malay language. These islands are encompassed by the Mu Ko Similan National Park, which was expanded in 1998 to include two islands located a little further away,

Volcanic oceanic islands emerge from the bottom of the ocean floor and grow until they break the surface of the water. Most often than not, only a small part of the volcanic structure is above sea level, and the vast majority of it remains submerged. This means that there are countless geological structures that are open to exploration to scuba divers--that is as long as they remain within recreational scuba depth

The volcanic island of Komodo (along with Padar, Rinca and an archipelago of smaller islands) is a part of Komodo National Park, an area that was founded in 1980 and declared a UNESCO World Heritage Site in 1991. The national park was formed to protect, and is an eponym of, its most famous denizen--the mighty Komodo dragon (Varanus komodoensis), the world's largest and most dangerous lizard. The islands are

Weh island ('Pulau Weh' in Bahasa Indonesia) is a small island just off the northern tip of Sumatra, and is located directly north of Aceh city ('Banda Aceh'). Since Sumatra is the northernmost of Indonesia's large islands, Weh island has been bestowed the honour of having the (so-called) most northern point of Indonesia, a point that is called 'Kilometer Nol' (Kilometre 0). There are however, a few other rocky