Marine Park is a public park located in the borough

Borough (New York City)

New York City, one of the largest cities in the world, is composed of five boroughs. Each borough now has the same boundaries as the county it is in. County governments were dissolved when the city consolidated in 1898, along with all city, town, and village governments within each county...

 of Brooklyn

Brooklyn

Brooklyn is the most populous of New York City's five boroughs, with nearly 2.6 million residents, and the second-largest in area. Since 1896, Brooklyn has had the same boundaries as Kings County, which is now the most populous county in New York State and the second-most densely populated...

 in New York City

New York City

New York is the most populous city in the United States and the center of the New York Metropolitan Area, one of the most populous metropolitan areas in the world. New York exerts a significant impact upon global commerce, finance, media, art, fashion, research, technology, education, and...

. Its 798 acres (3.2 km²) surround the westernmost inlet of Jamaica Bay

Jamaica Bay

Jamaica Bay is located on the southwestern tip of Long Island in the boroughs of Brooklyn and Queens, New York City, and the town of Hempstead, New York/hamlet of Inwood...

. Most of the land for Marine Park, Brooklyn was donated to New York City to be turned into public park land by the Whitney family in 1920 and by Frederic B. Pratt

Frederic B. Pratt

Frederic Bayley Pratt was the president of Brooklyn's Pratt Institute for 44 years, from 1893-1937.-Early life:He was born in Brooklyn NY, the son of Standard Oil magnate Charles Pratt and Mary Helen Richardson....

 and Alfred T. White, who jointly donated 150 acre (0.607029 km²) in 1917. The land donated consists of the area between the current day Fillmore Avenue and Gerritsen Avenue and East 38th Street.