Dennis Port (or Dennisport) is a census-designated place (CDP) in the town of Dennis in Barnstable County, Cape Cod, Massachusetts. Famous residents of Dennis Port include U.S. military hero Benjamin F. Baker. The Swan River roughly demarcates Dennis Port's western border with West Dennis. The village of West Harwich lies directly to Dennis Port's east, with the border demarcated by the median of Division Street. To the north of Dennis Port is South Dennis. Like other villages along Nantucket Sound, Dennis Port features warm-water beaches, like Haigis Beach, Sea Street Beach, and Glendon Road Beach. Many consider these among Cape Cod's most desirable for swimming and windsurfing.