How a Long Island town became the summer home of the American presidency

Cultures · Published 10 October 2026 Swipe more like this →

In short: Oyster Bay is a sprawling New York municipality that stretches from the North Shore to the Atlantic Ocean. Once a colonial borderland defined by Dutch and English disputes, it later gained international prominence when Theodore Roosevelt transformed his Sagamore Hill residence into the Summer White House during the early 1900s.

The Town of Oyster Bay occupies a unique geographic position as the only municipality in Nassau County spanning from the Long Island Sound to the South Shore. Its history reflects centuries of shifting power, beginning with the Matinecock people, a band of the Lenape nation. By the mid-17th century, the area became a flashpoint for colonial friction. In 1650, the Treaty of Hartford attempted to resolve boundary claims between Dutch and English settlers, though the definition of 'Oysterbay' remained contested. English settlers eventually secured land in 1653 through a payment to the Matinecock that included kettles, wampum, and various tools.

The town's character evolved significantly after the American Revolution and the 1899 creation of Nassau County. Its most famous era arrived between 1902 and 1908, when President Theodore Roosevelt moved his executive staff to Sagamore Hill in the village of Cove Neck. This period brought intense national and international focus to the region. Following World War II, the town underwent a rapid transformation, with farmland giving way to suburban development. The population surged from 66,930 in 1950 to 292,657 by 1990, establishing it as a major residential hub.

Today, the town manages a diverse landscape of incorporated villages and unincorporated hamlets. It maintains significant environmental and cultural assets, including the 3,209-acre Congressman Lester Wolff Oyster Bay National Wildlife Refuge, which the town transferred to federal management in 1968 to protect migratory waterfowl. With a population exceeding 300,000 as of the 2020 census, Oyster Bay remains a dense, complex entity. It balances its historical legacy—ranging from 18th-century census records of enslaved individuals to the 1871 founding of the Seawanhaka Corinthian Yacht Club—with its modern role as a suburban center for the New York metropolitan area.

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