Safari has a surprising number of keyboard shortcuts.

Some of the more useful shortcuts:

Command-F            Find (Search)
Command-G            Find Next (Search)
Command-L            Jump to the Address Bar
Command-Option-F     Jump to the Search Bar
Command-T            Open new tab
Command-W            Close current tab or window
Command-Shift-Left   Go to previous tab
Command-Shift-Right  Go to next tab
Command-D            Bookmark current page

This local URL will give you a comprehensive list of all the keyboard shortcuts supported in Safari:

file:///Applications/Safari.app/Contents/Resources/Shortcuts.html

Pretty neat.