'Ozark' in this instance is referring to be 'Lake of the Ozarks, Missouri ' hence the comment of 'more shoreline than the coast of Cali'. Here is the wiki link and it damn sure has a LOT of shoreline.
I am liking this show /Jason Bateman but hate it whenever it features a member of the 'Langmore' clan. All are too stupid to live, except the 'wise beyond her years 19yo daughter'.