| | North America's coastline is irregular and indented with bays, the largest of which are Hudson Bay in Canada, the Gulf of Mexico, the Gulf of Alaska, and the Sea of Cortez between the peninsula Baja California and the Mexican mainland. Large islands are immediately offshore in northern Canada, including Victoria, Ellesmere, Baffin, and Greenland, the world's largest island. | | North America's coastline is irregular and indented with bays, the largest of which are Hudson Bay in Canada, the Gulf of Mexico, the Gulf of Alaska, and the Sea of Cortez between the peninsula Baja California and the Mexican mainland. Large islands are immediately offshore in northern Canada, including Victoria, Ellesmere, Baffin, and Greenland, the world's largest island. |