Raritan Bay is a bay

Bay

A bay is an area of water mostly surrounded by land. Bays generally have calmer waters than the surrounding sea, due to the surrounding land blocking some waves and often reducing winds. Bays also exist as an inlet in a lake or pond. A large bay may be called a gulf, a sea, a sound, or a bight...

 located at the southern portion of Lower New York Bay

Lower New York Bay

Lower New York Bay is that section of New York Bay south of the Narrows, the relatively narrow strait between the shores of Staten Island and Brooklyn. The southern end of the bay opens directly to the Atlantic Ocean between two spits of land, Sandy Hook, New Jersey, and Rockaway, Queens, on Long...

 between the U.S. state

U.S. state

A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

s of New York

New York

New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...

 and New Jersey

New Jersey

New Jersey is a state in the Northeastern and Middle Atlantic regions of the United States. , its population was 8,791,894. It is bordered on the north and east by the state of New York, on the southeast and south by the Atlantic Ocean, on the west by Pennsylvania and on the southwest by Delaware...

 and is part of the New York Bight

New York Bight

The New York Bight is a slight indentation along the Atlantic coast of the United States, extending northeasterly from Cape May Inlet in New Jersey to Montauk Point on the eastern tip of Long Island...

. The bay is bounded on the northwest by New York's Staten Island

Staten Island

Staten Island is a borough of New York City, New York, United States, located in the southwest part of the city. Staten Island is separated from New Jersey by the Arthur Kill and the Kill Van Kull, and from the rest of New York by New York Bay...

, on the west by Perth Amboy, New Jersey

Perth Amboy, New Jersey

Perth Amboy is a city in Middlesex County, New Jersey, United States. The City of Perth Amboy is part of the New York metropolitan area. As of the 2010 United States Census, the city population was 50,814. Perth Amboy is known as the "City by the Bay", referring to Raritan Bay.-Name:The Lenape...

, on the south by the Raritan Bayshore

Raritan Bayshore

The Raritan Bayshore region of New Jersey is the area around Raritan Bay from The Amboys to Sandy Hook, mostly in Monmouth County, including the towns from Keyport, New Jersey, "Pearl of the Bayshore", to Highlands, New Jersey. At Keansburg is a traditional amusement park while at Sandy Hook are...

 communities of Monmouth County, New Jersey

Monmouth County, New Jersey

Monmouth County is a county located in the U.S. state of New Jersey, within the New York metropolitan area. As of the 2010 Census, the population was 630,380, up from 615,301 at the 2000 census. Its county seat is Freehold Borough. The most populous municipality is Middletown Township with...

, and on the east by Sandy Hook Bay. The bay is named after the Native American Raritan

Raritan (tribe)

Raritan was the name given to the Lenape Native American by Europeans who colonized the region around the Raritan River and its bay in northerneastern New Jersey and Staten Island, New York, in the seventeenth century....

s, a branch of the Lenape

Lenape

The Lenape are an Algonquian group of Native Americans of the Northeastern Woodlands. They are also called Delaware Indians. As a result of the American Revolutionary War and later Indian removals from the eastern United States, today the main groups live in Canada, where they are enrolled in the...

 tribe who lived in the vicinity of the bay for thousands of years prior to the arrival of Dutch

Netherlands

The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...

 colonists in the 17th century.
Archeological evidence suggests that humans were already in the region at the close of the Pleistocene

Pleistocene

The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....

.