The state with the longest coastline in the US is Alaska.
The longest coastline of a state in the US is Alaska but the longest continental coastline of a state in the US is Florida.
Maine
Ca.
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, followed by Florida, California and Hawaii (in that order).