The Oakland-SSF ferry is still struggling to find passengers. Farebox recovery is far below the 40% threshold required by the MTC to continue operation:
The service requires a $39 per trip subsidy for each of the ~327 daily riders. That result is not at all surprising when you consider that BART and the toll bridges provide much faster service. Nonetheless, San Mateo TA plans to spend $30 million on this white elephant.