Open Google Earth on your computer. If it is not installed yet, both Mac and PC users can download it from the Google site listed in the Resource section.
Find the Sea Scanner website and click on "Royal Caribbean." Look at the names of the cruise ships listed and find a boat to track.
Download the Google Earth Sea Scanner located at the top of the page. Click on "Open with" and select "Google Earth." The application downloads to the "Temporary Files" in the left panel of the Google Earth application.
Click on "Sea Scanner" in "Temporary Files." Scroll down to find the name of the specific Royal Caribbean cruise ship. Click on the check box next to the cruise ship to find specific date, time, location and image information.