See also Button Bay (Canada) for the inlet of Hudson Bay

Hudson Bay

Hudson Bay , sometimes called Hudson's Bay, is a large body of saltwater in northeastern Canada. It drains a very large area, about , that includes parts of Ontario, Quebec, Saskatchewan, Alberta, most of Manitoba, southeastern Nunavut, as well as parts of North Dakota, South Dakota, Minnesota,...

.

Button Bay, previously known as Button Mould Bay or Buttonmold Bay, is an area of shallow water on the east shore of Lake Champlain

Lake Champlain

Lake Champlain is a natural, freshwater lake in North America, located mainly within the borders of the United States but partially situated across the Canada—United States border in the Canadian province of Quebec.The New York portion of the Champlain Valley includes the eastern portions of...

, north of Arnold Bay. It is located in the town of Ferrisburgh

Ferrisburgh, Vermont

Ferrisburgh is a town in Addison County, Vermont, United States. It was founded June 24, 1762. The population was 2,657 at the 2000 census. The northern part of the town is referred to as North Ferrisburgh, with both sometimes spelled Ferrisburg....

 (near Vergennes

Vergennes, Vermont

Vergennes is a city located in the northwest quadrant of Addison County, Vermont, in the United States. Bordered by the towns of Ferrisburgh, Panton and Waltham, as of the 2000 census the city population was 2,741. It is the smallest of Vermont's nine cities in terms of population...

), in Addison County

Addison County, Vermont

Addison County is a county located in the U.S. state of Vermont. In 2010, the population was 36,821. Its shire town is Middlebury.-Geography:...

. It is situated between the Green Mountains of Vermont

Vermont

Vermont is a state in the New England region of the northeastern United States of America. The state ranks 43rd in land area, , and 45th in total area. Its population according to the 2010 census, 630,337, is the second smallest in the country, larger only than Wyoming. It is the only New England...

 and the Adirondack Mountains

Adirondack Mountains

The Adirondack Mountains are a mountain range located in the northeastern part of New York, that runs through Clinton, Essex, Franklin, Fulton, Hamilton, Herkimer, Lewis, Saint Lawrence, Saratoga, Warren, and Washington counties....

 in 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...

.

The Bay's name is from the clay

Clay

Clay is a general term including many combinations of one or more clay minerals with traces of metal oxides and organic matter. Geologic clay deposits are mostly composed of phyllosilicate minerals containing variable amounts of water trapped in the mineral structure.- Formation :Clay minerals...

 concretion

Concretion

A concretion is a volume of sedimentary rock in which a mineral cement fills the porosity . Concretions are often ovoid or spherical in shape, although irregular shapes also occur. The word 'concretion' is derived from the Latin con meaning 'together' and crescere meaning 'to grow'...

s found on its shores which looked either like actual clay buttons or the moulds used in button making.

Button Bay State Park has been a state park

State park

State parks are parks or other protected areas managed at the federated state level within those nations which use "state" as a political subdivision. State parks are typically established by a state to preserve a location on account of its natural beauty, historic interest, or recreational...

since 1964.