Major east coast shipping ports are NY/NJ, Baltimore, Norfolk, Charleston, Savannah, Miami
East coast is The Atlantic Ocean. West coast in The Pacific Ocean.
Atlantic ocean
If you're in the United States, then the East Coast ocean is the Atlantic Ocean.
Washington, Oregon, California
The east coast of South America
the east coast of south america
East Coast
The United States is bordered by the Atlantic Ocean on its east coast and the Pacific Ocean on the west coast.
The east coast of the US
south America is closer
The Pacific Ocean is off the West coast of America and the Atlantic is on the East coast.
Detroit is not on the East Coast of the US, but it is in Eastern Time.