Coordinates: 44°30′03″N 63°31′54″W / 44.50083°N 63.53167°W Duncan's Cove is a small rural community on the Chebucto Peninsula in the Halifax Regional Municipality on the shore of the Atlantic Ocean on the Ketch Harbour Road (Route 349 ), 19 kilometers from Halifax. The community is located beside Chebucto Head, the prominent coastal headland.
Duncan's Cove began as a small fishing community. The first recorded settler in Duncan's Cove was Simon Duntoyn in 1752. Other families followed including the Crab, Full, Leonard and McNab families. John McNab was granted 50 acres (200,000 m2) in 1859. The cove was named after Admiral Adam Duncan, 1st Viscount Duncan who defeated the Dutch at the Battle of Camperdown.
Overlooking the entrance to Halifax Harbour made it a strategic part of Halifax's defense system in the 18th century. The Camperdown Signal Station, was built a few miles northward next to nearby Portuguese Cove in 1797, the first of a series of signal stations built by Prince Edward, Duke of Kent. It later became a wireless station and was operational until 1925.