How to Save Google Maps to iPhone
The Google Maps application on your iPhone provides a detailed map of any location in the world and allows you to save maps on your phone by bookmarking it. These bookmarks can be accessed later by opening the Google Maps application on your iPhone, and you can use them in order to find step-by-step directions to a specific destination.
Press the "Home" button on your iPhone and slide your finger across the screen's bar to unlock it.
Tap the "Maps" icon on your screen and tap the search field. Type in the address you wish to look up and tap the "Search" button in the lower right corner.
Tap the blue arrow on the pin that drops on the map and tap the "Add to Bookmarks" button.
Type in a name for the bookmark or just tap the "Save" button in the upper right corner.
Tap the "Book" icon on the search bar to access bookmarks.