If you do not see your supermap try to do the following things:
Check that you filled Google API key in Settings/Main tab. See more details here.
Check in Properties/Settings/Developer in Property types that settings Searchable, Location Matters were ticked.
Also check that attribute Address was set to Automatic Geolocation in Properties/Settings/Main.
Disable all plugins one by one to be sure that the issue is not related to any of them.
- Try to switch theme to WordPress default(TwentyTen, TwentyEleven) to be sure that the issue is not related to the current theme.- Check what Wordpress and WP-Property version you're using. Probably you need update them to the latest.
- Do not forgot to use shortcode