Most nights are now sold out at the group rate at the Marriott.

To see if any nights are still available at the group rate, please call the Marriott at 800-228-9290,
and mention the group  “Intersections 2017”.
Nearby options include
The Washington Inn Hotel (across the street!)
Waterfront Hotel (Jack London Square)
The City of Oakland offers a free shuttle along Broadway, from Jack London Square through downtown Oakland: