SDBoxOffice.com is rated 3.8 out of 5 in the category event ticket seller. Read and write reviews about SDBoxOffice.com. SDBoxOffice.com is an industry leading marketplace for San Diego concert, sports, and theater tickets. We provide event schedules, seating charts, and affordable tickets for almost every event taking place in San Diego, as well as access to events nationwide. Powered by SecureTickets.com, SDBoxOffice is your safe, guaranteed one-stop-shop for entertainment around San Diego and beyond.