The Port of Miami is a seaport located in Biscayne Bay in Miami, Florida, United States. It is connected to Downtown Miami by Port Boulevard, a bridge over the Intracoastal Waterway. The port is located on Dodge Island, which is the combination of three historic islands (Dodge, Lummus and Sam's Islands) that have since been combined into one.Early in the 1900's when a powerful hurricane hit Miami, it split the southern end of Miami Beach creating government cut and what is now known as Fisher Island. Shortly afterword, the cut was dredged along with a new channel to what now is known as Bicentennial Park in downtown Miami. This new access to the mainland created the Main Channel which greatly improved the shipping access to the new port. From these original dredging spoils which were disposed on the south side of the new Main Channel, new islands were inadvertently created which later became Dodge, Lummus and Sam's Island along with several other smaller islands.

Currently, the Port of Miami is recognized as the "Cruise Capital of the World" and "Cargo Gateway of the Americas". It has retained its status as the number one cruise/passenger port in the world for well over two decade accommodating the largest cruise ships in the world and the operations of such major cruise lines as Carnival, Royal Caribbean and Norwegian Cruise Line.As the "Cargo Gateway of the Americas", the port primarily handles containerized cargo with small amounts of breakbulk, vehicles and industrial equipment. It is the largest container port in the state of Florida and ninth in the United States. As a world-class port, the Port of Miami is among an elite group of ports in the world which cater to both cruise ships and containerized cargo.