Big Bay Boom

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San Diego's biggest Fourth of July Fireworks show takes over the San Diego Bay with four barges at different points. There are great viewing areas all along the bay for this annual event! Parking is free at park-and-ride lots throughout the system.

MTS will be operating a Sunday schedule. However, to accommodate the many thousands of people heading to the Big Bay Boom fireworks, the Trolley will be adding additional service on all three lines!

Remember, it's a major holiday so the FRIENDS RIDE FREE promotion is in effect. A friend may ride free with a fare-paying customer on all MTS routes on July 4, 2022. Youth also ride free with a Youth PRONTO card/account. Youth Opportunity Pass Program.

Prime viewing locations are near the following stations:

  • County Center / Little Italy
  • Santa Fe Depot
  • America Plaza
  • Seaport Village
  • Convention Center
  • Gaslamp Quarter

PRONTO is the easy way to pay for your transit fare! Download the PRONTO App to your phone, then load money onto your app ahead of the fireworks show. Alternatively, you can also pick-up and add money to a PRONTO card (one-time $2 fee) at any Trolley ticket machine (lines can get long the day of, so plan ahead!), or any participating retail network location


Transit Station Parking


Big Bay Boom Trolley Map
Sycuan Green Line
UC San Diego Blue Line
Orange Line

Address and Directions

San Diego Bay
San Diego, CA 92101
United States

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