Montego Bay is a city in Jamaica that contains Jamaica's largest airport, the Sir Donald Sangster International Airport. Montego Bay is known for its duty free shopping and cruise line terminal at its Free Port on a beautiful, man-made peninsula jutting into the bay. Its sheltered Doctor's Cave Beach with clear turquoise waters is one of the most famous beaches on the island. The bay is surrounded by picturesque low mountains. Montego Bay is fourth in population to Kingston, Portmore and Spanish Town with about 120,000 people and lies in St. James Parish on the northwest coast of the island. Air Jamaica and several American and British airlines run their Caribbean hub in "MoBay" (Sangster International Airport) connecting the island with the United States, the United Kingdom, Germany, and recently Canada with flights to Toronto and Montreal. The southern U.S. city of Miami can be reached within 90 minutes. The southern U.S. cities of Houston, Atlanta, and Tampa are reached by nonstop flights in less than three hours. Other locations like New York City, Boston, Washington D.C., and Chicago are reached in under four hours.