There are few river mouths with a similar prestige to the estuary of the beautiful San Francisco Bay, and it is not surprising since shortly after its European discovery, the Golden Gate became a vital access point of the American West side. But leaving aside the issues of trade and military strategy, the Bay is even more important because it is a true ecological treasure of California. A natural nursery for crabs, halibuts, waterfowl, seals and sea lions, as well as for endangered species.

San Francisco Bay is a precious natural asset for both residents and visitors alike. Here there is the possibility of sighting whales, take a ferry and visit the prison of Alcatraz or Marin. The best, enjoy pleasant walks at sunset with the gleaming Golden Gate as a backdrop. Residents undoubtedly prefer to contemplate the calm waters of the bay through their windows.