Atlantic Seaboard
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| Atlantic Seaboard | |
| watershed | |
 The Atlantic Seaboard is the eastern area of the Atlantic Ocean watershed.
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| Countries |  Canada,  United States |
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The Atlantic Seaboard is an area of North America along both the East Coast of the United States and the portion of the Atlantic Canada (Maritimes) coast south of the Gulf of Saint Lawrence watershed. The relatively narrow[specify] continental area is demarcated by the Eastern Continental Divide (ECD) to the west and the Saint Lawrence divide to the north, which extends to the Atlantic Ocean at Cape North (Nova Scotia peninsula).
Adjacent to the two drainage divides are two respective sets of 'Atlantic Seaboard watersheds which include the following (north-to-south):
- Chedabucto Bay:[specify]
- Gulf of Maine: >8,072 square miles (20,910 km2) drainage area[clarification needed]
- Long Island Sound: >11,250 square miles (29,100 km2)[clarification needed]
- Lower New York Bay: >14,000 square miles (36,000 km2)[clarification needed]
- 1Delaware Bay: >14,119 square miles (36,570 km2)[clarification needed]
- Indian River Bay:[specify]
- Chesapeake Bay:2 64,299 square miles (166,530 km2)
- Albemarle Sound:[specify]
- Winyah Bay:[specify]
- Santee River:[specify]
- Savannah River: 9,850 square miles (25,500 km2)
- St. Johns River: 8,840 square miles (22,900 km2)
- Miami River: 2,800 square miles (7,300 km2)
Note 1: The Delaware Bay watershed is not adjacent to either divide, but is of comparable size and is situated north of where the drainage from the ECD reaches the Atlantic Ocean.
Note 2: The Chesapeake Bay watershed is along both the ECD and the Saint Lawrence divide,[specify] but drains into the Atlantic Ocean entirely south of the Delaware Bay.
