The Cayman Islands are a British Crown Colony consisting of 3 islands in the Caribbean lying approximately 480 miles south of Miami, Florida. There is an estimated population of 50,000 and a land area of 260 square kilometers. The official language is English and its currency is the Cayman dollar which is fixed to the US dollar at CI$1.00 equals US$1.20. The primary industries are tourism and financial services. The Islands are a largely self-governing British Crown colony. Britain is responsible for internal security and defense. The legal system is based on English Common Law and is complemented by local laws.