Rock Harbor is a man-made harbor on Cape Cod Bay located on the border between Orleans, Massachusetts and Eastham, Massachusetts.
Rock Harbor was the site of a skirmish during the War of 1812 between British soldiers and local militia December 19, 1814. A small commercial and charter fishing fleet docks in the harbor. The harbor is an artificial harbor and is dredged to maintain a depth of 4 feet at low tide.
References
Rock Harbor (Massachusetts) Wikipedia(Text) CC BY-SA