The closest airport is San Jose (SJC), but San Francisco (SFO) and Oakland (OAK) are reasonably close as well.
The wedding will take place in Los Gatos, at the border of Santa Cruz, so feel free to stay on either side of the Santa Cruz Mountains (in Santa Clara County or Santa Cruz County, in other words). We do have some discounted rooms reserved at a couple hotels on the Silicon Valley (Santa Clara County) side of the Mountains. If you plan to reserve a room at either of these places, mention the "Whittaker/Chelf wedding" for the discount:
1) The Cypress Hotel, 10050 S. DeAnza Blvd, Cupertino 95014, 800-499-1408
2) Courtyard by Marriott, 10605 N. Wolfe Rd, Cupertino 95014, 408-252-9100
A couple of other good options, closer to Nestldown, include:
1) The Toll House Hotel in Los Gatos, 877-271-3313
2) The Los Gatos Lodge, 408-354-3300