Alaska.
Alaska
Florida.
Alaska
Alaska ... with 6,640 miles of coastline ...
Gujarat - longest coast line 1600 km, dotted with 41 ports; 1 major, 11 intermediate and 29 minor ports. Andhra Pradesh is the second longest coast line 972 km (604 mi)
Cornwall.
Chile
Florida.
Chile
Alaska has the longest coast line. If you were counting percentage, then Hawaii.
Chile has the longest Pacific coast line in S.A.