Formentera is the smallest and most southerly island. It is one of the two Illes Pitiüses The Illes Pitiüses are an island group of the Mediterranean Sea belonging to Spain. The group is composed of the islands of Ibiza (Eivissa) and Formentera. The islands are situated approximately 100 km southwest of the island of Majorca (Mallorca), and approximately 80 km east of the Spanish mainland (Cabo de la Nao, Alicante, Valencia). It is 19 kilometres long and is located approximately 3 nautical miles south of Ibiza in the Mediterranean The Mediterranean is the lands bordering the Mediterranean Sea, the islands in it, and their associated cultures. This area has historically been one of the most important in human civilization. The term is also used as an abbreviation for the Mediterranean Sea itself. A mediterranean climate is one that resembles those of lands ea. The island can only be reached by ship, so relatively few tourists come to this location, making it a much quieter place than the other islands in the region. It is best known for the fact that nude sunbathing is allowed on most of its beach. Formentera comprises one municipality, also called Formentera, and has a population of 7,461 (2002). It is part of the autonomous community of the Balearic Islands.