Naval Weapons Station Earle, originally known as the Naval Ammunition Depot Earle, is a United States Navy base in Monmouth County, New Jersey, United States. Its distinguishing feature is a 2.9-mile (4.7 km) pier in Sandy Hook Bay where ammunition can be loaded and unloaded from warships at a safe distance from heavily populated areas.

Monmouth County is a county, located in the central section of the U.S. state of New Jersey. Comprising much of the northern half of the Jersey Shore, it is bordered to its west by Mercer and Middlesex Counties, to its south by Ocean County, to its east by the Atlantic Ocean, and to its north by the Raritan Bay. Monmouth County's geographic area comprises 30% water. The county is considered part of the Central Jersey region of the state, though it was not among the four counties explicitly listed as included in Central Jersey as part of legislation signed into law in 2023.