Naval Base San Diego, sometimes called 32nd Street Naval Station, is the largest base of the United States Navy on the west coast of the United States, in San Diego, California. Naval Base San Diego is the principal homeport of the Pacific Fleet, consisting of 54 ships and over 120 tenant commands. The base is composed of 13 piers stretched over 977 acres (3.95 km²) of land and 326 acres (1.32 km²) of water.