A town defined by its water: 69% of Cohasset is ocean

A town defined by its water: 69% of Cohasset is ocean
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In short: While many coastal towns are defined by their beaches, Cohasset is geographically dominated by the sea. Nearly seven-tenths of its total area consists of water, creating a unique maritime landscape where land and Massachusetts Bay intertwine. This striking geography makes it a premier example of the eastern Massachusetts coastline.

The town's identity as a coastal settlement dates back to at least 1614, when Captain John Smith explored the New England coast. While it was settled by English colonists around 1647, the area had a complex indigenous history. It was inhabited by various groups including the Pokanoket, Wampanoag, and Massachusett people before European arrival. The area first entered written records during Smith's voyage when he observed Native Americans in a canoe. By 1634, the site was already documented as a noted habitation in New England.

Cohasset's administrative journey is marked by several shifts in jurisdiction. Originally part of Suffolk County, it became part of Norfolk County in 1793. However, when Hingham and Hull opted out to join Plymouth County in 1803, Cohasset remained behind, becoming an exclave of Norfolk County. This geographic isolation occurred because Cohasset stayed with Norfolk while its neighbors moved to Plymouth County. The town is situated approximately 12 miles east of Braintree today.

The town's physical layout reflects early colonial land management. In 1670, shares were divided among proprietors—many of whom were large landowners from neighboring Hingham. To maximize utility, the town was designed with long, narrow strips of land. This specific geometry ensured that more residents had direct road frontage while avoiding 'back lots' that would be inaccessible. Hingham Town Clerk Daniel Cushing received the largest portion of shares during the initial distribution. Other significant grants were awarded to local ministers and various military officers.

Today, Cohasset remains a distinct coastal village located about 20 miles southeast of Boston. Its geography is striking: out of its total 31.4 square miles, only 9.8 square miles are dry land. The remaining 21.7 square miles are water, making it a premier example of the Massachusetts Bay coastline. The town's name likely originates from a Massachusett term meaning fishing promontory or long rocky place. It sits roughly 30 kilometers southeast of the city of Boston.

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