In Massachusetts

• Long Pond (Lakeville, Massachusetts), a lake/reservoir/pond within the towns of Lakeville and Freetown
• Long Pond (Plymouth, Massachusetts)
  Long Pond (Plymouth, Massachusetts)
  Long Pond is a cold water pond in Plymouth, Massachusetts, east of Myles Standish State Forest, Halfway Pond and Round Pond, west of Route 3 at Exit 3 and The Pinehills, northwest of Bloody Pond, and north of West Wind Shores. The pond has an average depth of and a maximum depth of . It is fed by...
  
  , a lake and village in Plymouth
• Long Pond (Rochester, Massachusetts)
  Long Pond (Rochester, Massachusetts)
  Long Pond is a pond in Rochester, Massachusetts. The pond is connected to Snipatuit Pond, where its outflow goes. The water quality is impaired due to toxic metals.-External links:*...
  
  
• Long Pond (Great Barrington, Massachusetts), a lake in Great Barrington

In New Jersey and New York

• Greenwood Lake
  Greenwood Lake
  Greenwood Lake is an interstate lake approximately seven miles long, straddling the border of New Jersey and New York. It is located in West Milford, New Jersey and Greenwood Lake, New York ....
  
  , once known as Long Pond
• Lake Owassa
  Lake Owassa
  Lake Owassa is a lake in Sussex County, New Jersey, is fed by Bear Swamp, and feeds into Culver's Lake . It is at an elevation of...
  
  , once known as Long Pond
• Long Pond Ironworks State Park
  Long Pond Ironworks State Park
  Long Pond Ironworks State Park is located in the community of Hewitt, in West Milford, New Jersey, United States. The park is known for its old stone walls, furnaces and other remnants of a once industrious ironworking community that now sits next to the swiftly flowing Wanaque River...
  
  , located in the town of Hewitt, New Jersey

In Nova Scotia

• Long Pond (Nova Scotia), a pond in Windsor where some claim that ice hockey was first played

In Pennsylvania

• Long Pond, Pennsylvania
  Long Pond, Pennsylvania
  Long Pond is an unincorporated community in Monroe County in the Pocono Mountains region of Pennsylvania, a part of the Appalachian Mountains. The zip code is 18334....
  
  , a location in the Pocono Mountains noted as the location of the Pocono Raceway