and they map out virtually every marina in the USA (and many in other areas).
Big cities are typically expensive but outside them its' much more reasonable.
and the East Coast
are generally the most expensive but even there you can find reasonable prices in the $1-1.50/ft range.
If you go up the hudson
the Erie Canal, you have great historic locations and dockage including power and water are generally free (you do have to pay for a cruising permit
. A couple years ago the annual permit
On the great lakes
, plan on $1/ft most places. Michigan has a series of high quality harbors that are generally $1/ft.
If you take the river system south from Chicago, you get to see a new side of the country (even for most Americans). Dockage is generally cheap
If you stay for a week or a month, rates are often drastically cheaper. We frequently pay for a month and leave after a week or two because it's cheaper.