The Oregon International Port of Coos Bay is a port of the Pacific coast of the United States, located in Coos Bay near the city of Coos Bay, Oregon. It is the largest deep-draft coastal harbor between San Francisco Bay and Puget Sound, and is Oregon's second busiest maritime commerce center after the Port of Portland. The port operates the 134-mile Coos Bay Rail Link which connects the port to Eugene, Oregon and the national rail network.