Pro Tour Dragon's Maze in San Diego is being moved to the San Diego Concourse Golden Hall. The San Diego Concourse is located in downtown San Diego at 202 C Street, approximately one mile from the San Diego Convention Center.
Pro Tour Dragon's Maze will be held May 17–19, featuring Return to Ravnica Block Constructed and Dragon's Maze-Gatecrash-Return to Ravnica Booster Draft. The live webcast begins at noon ET (9 a.m. local time) on May 17.
More information about the San Diego Concourse can be found here (PDF).