If flying into the area we recommend Oakland (OAK) or San Francisco (SFO) International Airports.
For accommodations we believe Emeryville is your best bet; conveniently located near the wedding site, public transit, and restaurants.
Hilton Garden Inn: Located just off the bay, there are walking paths that lead to Trader Vic's; Chevy's, and Hong Kong East Ocean Seafoood.
Courtyard by Marriott: Located across from Bay Street (home to shops, dining, and a movie theater)
Sheraton: Located next to the newly opened Black Bear Diner and across from Trader Joe's.
Hyatt House: Located next to the newly reveamped Public Market, a pool hall, and a movie theather.
If you're looking for a treat, the Claremont Hotel & Spa is set in the hills between Berkeley and Oakland. There aren't as many shopping and dining options within walking distance but there are plenty of onsite amenities.