When traveling to Grand Cayman, know that the main city of Georgetown is the administrative, business, and tourism center of the Cayman Island group. Though relatively small in size, Georgetown is home to more than 300 international banks, hosts more than a dozen cruise ship arrivals each week, and has a sizable tourist-shopping district. With an international airport and thousands of hotel rooms and condominiums, beyond offshore banking Grand Cayman's raison d'etre is Cayman Islands attractions that include a focus on scuba diving and snorkeling.