Pleasant Valley is an unincorporated community located within Marlboro Township in Monmouth County, in the U.S. state of New Jersey.

[4] A large part of land which makes up Pleasant Valley was originally granted by the King of England in 1665 to the Rev.

This was largely due to the Pleasant Valley Game Protective Association action to release 500 pheasants in the area, the day before hunting season started.

[11] The scene of armed conflict during the Revolutionary War, there were skirmishes between patriot forces and the Tories and Pine Robbers;[12] reports of British foraging in this area and taking hogs, cattle and sheep back to New York were common.

After breaking off the attach and leaving, his wife pursued the Tories and Pine Robbers and killed one of the attackers.