Amid the marshes, and running the length of the coast, are the waterways that, from the earliest years of the region's European occupation, have been known as the inland passage.
Spanish traders and Franciscan friars traveled the waterway between the friars' chain of missions in the sixteenth and seventeenth centuries.
The greatest use of the inland waterway during this period, however, was in connection with the lumber industry.
The IntracoastalWaterway is a 4,800-km (3,000-mile) recreational and commercial waterway along the Atlantic and Gulf coasts of the United States.
The waterway consists of two non-contiguous segments: the Gulf IntracoastalWaterway, extending from Brownsville, Texas to Carrabelle, Florida, and the AtlanticIntracoastalWaterway, extending from Key West, Florida to Boston, Massachusetts.