Lucy, I haven't done this, so this is just a suggestion on a route to explore. Here's a link to a script that converts KML to shapefiles. Once you have your shapefiles you can use Richard Leeke excellent ShapeToTableau utility to bring them into Tableau.
Hope this works for you. Let us know if it does.
Thanks, I was able to find the coordinates. Now I can't seem to create a dual axis map. I'm trying to merge Sheet 5 & the polygon sheet in the attached workbook. When I add longtitude from my polygon table to the existing map, the map is replaced with the x & y axis displaying the lat & long values.
Thanks in advance for your help.
Lucy the best I can do for you is make a few comments:
On your polygon map is looks like you're missing a couple of points or the point order is out of order:
As far as merging the two maps together, the best way to learn how to do that is watching Joe Mako's video. You can find it here:
Scroll to the very bottom of the page and click his name in the Tips and Tricks session.
Hope this gets you going again.