Sentosa, which translates to peace and tranquility in Malay (derived from Santosha in Sanskrit), is a popular island resort in Singapore, visited by some five million people a year. Attractions include a two-kilometre long sheltered beach, Fort Siloso, two golf courses and two five-star hotels, and the Resorts World Sentosa, featuring the theme park Universal Studios Singapore. Sentosa was once known as Pulau Blakang Mati. which in Malay means the "Island (pulau) of Death (mati) from Behind (blakang)". The island has gone through several name changes. Up to 1830, it was called Pulau Panjang ("long island"). In an 1828 sketch of Singapore Island, the island is referred to as Po. Panjang. It is also called the dead island or the island of the dead. Sentosa offers a variety of attractions, museums and other facilities to provide a variety of experiences, recreation and entertainment to visitors, among it Tiger Sky Tower, Butterfly Park and Insect Kingdom, Underwater World and Dolphin Lagoon, Songs of the Sea, Sentosa 4D Magix, Sentosa CineBlast, Fort Siloso, MegaZip Adventure Park, Azzura Beach Club, Sentosa Luge & Skyride.