To embed a google map into your soapbox site, first you'll need to grab the embed code from the Google Map page.

To do so, find the map that you'd like to embed on google maps. Whether it's directions, a location, or even a customized 'MyMap', you should be able to click the 'link' button, then copy the code provided there, shown here:

Then, you'll need to paste this embed code directly into the html of the content item that you'd like it to display in. For more instructions on how to do this, read "Using the Content Editor: Edit the HTML code directly"