No, just entering the coordinates into the map at the Mappress Add POI field for a standard wordpress page.
Here’s a screenshot of where I enter the POI: http://reed.edu/test/tony/mappress/Screen%20Shot%202014-09-08%20at%208.31.22%20AM.png
Here’s a shot after I enter the POI (note the change to an address): http://reed.edu/test/tony/mappress/Screen%20Shot%202014-09-08%20at%208.31.36%20AM.png
