Key West is an island in the Straits of Florida on the North American continent at the southernmost tip of the Florida Keys. It is considered the southernmost city in the continental United States. The city also occupies nearby islands and portions of nearby islands. It’s popularly known for its stunning beaches, coral reefs – destinations for diving and snorkeling.

Miami is a major city located on the Atlantic coast in southeastern Florida and the county seat of Miami-Dade County, the most populous county in Florida and the eighth-most populous county in the United States with a population of 2,500,625. The 42nd largest city in the United States, with a population of 433,136, it is the principal, central, and most populous city of the South {Florida} metropolitan area, the most populous metropolis in the Southeastern United States. According to the US Census Bureau, Miami's metro area is the seventh most populous in the United States, with an estimated population of 5,547,051 in 2009. 

Great Stirrup Cay is a small island that is part of the Berry Islands in the Bahamas. Norwegian Cruise Line purchased the island from the Belcher Oil Company in 1977 and developed it into a private island for their cruise ship passengers. The northern part of the island has a sandy beach surrounded by rocks with snorkeling areas. The southern part features a helicopter airfield (with a sign reading "Great Stirrup Cay International Airport"), a large area without vegetation, and numerous concrete blocks. These are all remnants of a previous U.S. military installation and satellite tracking station. The island's lighthouse was originally constructed in 1863 by the Imperial Lighthouse Service. Great Stirrup Cay is adjacent to Little Stirrup Cay, Royal Caribbean Cruises' private island.