Keyport is a borough in Monmouth County, New Jersey, United States. As of the 2010 United States Census, the borough's population was 7,240, following a decline of 328 (-4.3%) from the 7,568 counted in the 2000 Census, which had in turn declined by 18 (-0.2%) from the 7,586 counted in the 1990 Census. Keyport's nickname is the "Pearl of the Bayshore" or the "Gateway to the Bayshore".
Keyport was originally formed as a Town on March 17, 1870, from portions of Raritan Township (now Hazlet). On April 2, 1908, the Borough of Keyport was formed, replacing Keyport Town.
Keyport is part of the Bayshore Regional Strategic Plan, an effort by nine municipalities in northern Monmouth County to reinvigorate the area's economy by emphasizing the traditional downtowns, dense residential neighborhoods, maritime history, and the natural beauty of the Raritan Bayshore coastline.