The San Francisco Bay is a bay in Northern California.
The bay is seen by Apollo, Meg McCaffrey, and Reyna Ramírez-Arellano when they see the Julia Drusilla Yachts sailing in it from there vantage point at Sutro Tower. After they crash and Reyna is taken away from treatment, Apollo and Meg return to Camp Jupiter just in time for the battle.
- The area around that bay is one of the most expensive places to live in the United States of America.
- The Bay Area is currently the most expensive place to live in the United States.