How many miles of coastline does Arizona have? I once heard it was more than California. And Yes Arizona has coastline, I live here and Arizona has a ton of lakes. The definition of a coastline is a line that forms the boundary between the land and the ocean or a lake.|||Wrong definition - a coast is the land next to a sea or ocean - not a lake.|||not sure, but definitely not as much as california and i think what you are speaking of is a shoreline because i thought coast refers to the land next to a sea or ocean...

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