Harbour Island, Bahamas Cruise Ship Port – Harbour Island lies just northwest of Eleuthera Island in the Bahamas. It’s known for the long pink sand beaches stretching along its eastern shore. The west coast also has beaches and several marinas. Outlying coral reefs like the Devil’s Backbone are home to marine life such as stingrays and turtles. The main hub, Dunmore Town, features pastel houses like the 1797 Loyalist Cottage.