Broad Sound (Massachusetts)

General data
- Name: Broad Sound (Massachusetts)
- Basin: Atlantic Ocean
- Water type: Bay
- Progression: Massachusetts Bay -> Gulf of Maine -> Atlantic Ocean -> Planet Earth
- Climates: Temperate
- Continents: North America
- Countries: United States of America
Description
Broad Sound is a bay on the Massachusetts coast north of Boston. It lies on the west of Massachusetts Bay, between Nahant and Deer Island; Lynn harbor is at its north end. The main channel of Boston Harbor empties into the sound.