The longest coastline of a state in the US is Alaska but the longest continental coastline of a state in the US is Florida.
Florida.
California
Of Florida's total 1350 miles of coastline, approximately 580 miles of it are on the Atlantic Ocean. The capital of Florida is F. No, not really. Actually, the capital of Florida is Tallahassee.
Because Hawaii is an Island State it has no land boundaries and has 100% coastline. Alaska has much more coatline but is not an Island and therefore has a much smaller percentage of coastline.
Out of the four regions of the US, the West has the longest coastline (includes Hawaii, Alaska, and the Pacific coast of the contiguous US).
The longest coastline of a state in the US is Alaska but the longest continental coastline of a state in the US is Florida.
Ca.
Maine
California
No
The state of Michigan has the longest freshwater coastline in the world
Calafornia
Florida.
The state with the longest Atlantic coastline is Florida at 1350 miles, or 2170 kilometers. It is also the second longest coastline in the US after Alaska.
The fourth-longest coastline is Texas because of the Gulf of Mexico.
Alaska: 6,640 miles Florida: 1,350 miles