The New Madrid cruise port map is interactive. It shows the port's exact location, along with the real-time cruise ship traffic (if any) in its vicinity - today, and right now. By zooming-out you can see other cruise ship ports located near New Madrid, Missouri.
If you lose the New Madrid location on the map, simply reload the page (also with F5 button). This feature is integrated with the CruiseMapper's cruise ship tracker tracking the vessels' current positions at sea and in ports.