Two fine midrange hotel options in Oakland are the Waterfront Hotel, 10 Washington St., Jack London Square (www.jdvhotels.com/hotels/waterfront; tel. 888/842-5333 or 510/836-3800), and the Oakland Marriott City Center, 1001 Broadway (www.marriott.com; tel. 800/228-9290 or 510/451-4000; fax 510/835-3466). Most major motel chains also have locations (and budget prices) around town and near the airport. The Claremont Resort & Spa, which borders both Berkeley and Oakland, is also an option; it's not downtown, but it's just a quick drive to all the action, and it's near the fabulous shopping and dining neighborhood of Oakland's Rockridge.
Note: This information was accurate when it was published, but can change without notice. Please be sure to confirm all rates and details directly with the companies in question before planning your trip.