 The system has headquarters in Oakland, with major transfer hubs at MacArthur and 19th Street stations.BART's headquarters was in a building above the Lake Merritt BART station until 2006, when it relocated to the Kaiser Center due to seismic safety concerns.The Alameda / Oakland Ferry operates ferry service from Jack London Square to Alameda, Oracle Park, Pier 41, the San Francisco Ferry Building, and the South San Francisco Ferry Terminal.