**Lockers are not yet activated by BART. They are currently unavailable. **
Rejoice! There are now 16 electronic lockers at the Lake Merritt BART station. The existing lockers were recently retrofitted with BikeLink card readers.
Get a BikeLink card at the link above and at:
AC Transit Ticket Office
1600 Franklin Street, Oakland
8:00am and 5:00pm, Monday-Friday
More about eLockers: StreetFilms Video and Oakland Public Works