Silicon Valley has the typical hotels found in most metropolitan areas. But, there are also a unique set of accommodations for both personal and work usage. This page outlines some of these options.
Coworker spaces are offices where entrepreneurs can share office space with others. Yelp lists several options.
Hackerspaces are venues with equipment for creating physical goods. A few of these hackerspaces were listed above, but Yelp has a more comprehensive index of them.