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Billington Sea

Coordinates: 41°56′30″N 70°40′36″W / 41.94167°N 70.67667°W / 41.94167; -70.67667
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Billington Sea
Billington Sea is located in Massachusetts
Billington Sea
Billington Sea
LocationPlymouth, Massachusetts
Coordinates41°56′30″N 70°40′36″W / 41.94167°N 70.67667°W / 41.94167; -70.67667
Primary outflowsTown Brook
Basin countriesUnited States
Surface area269 acres (1.09 km2)
Average depth7 ft (2.1 m)
Max. depth11 ft (3.4 m)
IslandsSeymour Island
SettlementsBillington Sea village

Billington Sea (also Billington's Sea) is a 269-acre (1.09 km2) warm water pond located in Plymouth, Massachusetts. Morton Park lies on the pond's northern shore. The pond is fed by groundwater and cranberry bog outlets. The average depth is seven feet and the maximum depth is 11 feet (3.4 m). The pond provides the headwaters to Town Brook. Seymour Island is located in the center of the pond. Billington Sea was named after its discoverer, Francis Billington, one of the passengers on the Mayflower.


Billington Sea is located southwest of the center of Plymouth, Massachusetts, west of Massachusetts Route 3 and south of U.S. Route 44. It is 269 acres in surface area with depth averaging 7 feet, with an 11-foot maximum depth. It is a warmwater eutrophic pond with extensive aquatic vegetation and a mostly mud bottom, though with sandy shorelines. Apart from a town park on the northern shore, most of the shoreline is occupied by private residential property.[1]


Billington's Sea was discovered in January 1621 by fourteen-year-old Mayflower passenger Francis Billington, son of John Billington.[1] According to tradition, Francis Billington climbed up a tree and spotted what he called a "great sea," believing it to be the Pacific Ocean. He and one of the Mayflower's crew members went to explore the sea, but became alarmed when they saw some abandoned Native American houses. They were alone with only a single gun. In memory of Billington's error, the pond has been called "Billington's Sea" since.[2][3]

Recreational uses[edit]

A single public boat launch site is located at Morton Town Park on the north shore. The ramp is sandy and suitable only for small craft that can be launched by hand like canoes and kayaks. Recreational fishing is allowed in the pond, with largemouth bass being the primary target species.[1]

Fish populations[edit]

In addition to largemouth bass, the pond also contains pickerel, smallmouth bass, brook trout, black crappie, yellow perch, sunfishes such as pumpkinseed and bluegill, golden shiner, banded killifish, white perch, white sucker, and brown bullhead. A seasonal alewife run enters the pond from Plymouth Bay through Town Brook.[1]

Surrounding area[edit]

Billington Sea is also the name of a small village on the southern shore of the pond along Black Cat Road, northeast of Micajah Heights and northwest of Lout Pond. Briggs Reservoir is located within the village south of Black Cat Road.

See also[edit]


  1. ^ a b c d Billington Sea (information from Commonwealth of Massachusetts Executive Office of Energy and Environmental Affairs)
  2. ^ Crothers, S. M. (April 1903). "The Honorable Points of Ignorance". The Atlantic Monthly. 91 (546): 495–504. Retrieved 17 November 2017.
  3. ^ A Guide to Historic Plymouth James Baker, The History Press, 2008 142 pages, page 103

External links[edit]