The hook
Twenty-seven miles off the Golden Gate stand the "Devil's Teeth" — the wildest place in the Bay Area, home to the largest US seabird colony south of Alaska, patrolled by great whites, visitable only by a day-long boat pilgrimage.
01Why it's worth it
San Franciscans can see the Farallones from Ocean Beach on clear days and almost none will ever stand off their shores. The islands compress absurd amounts of story: the 1850s Egg War, when rival companies fought a fatal armed battle over murre eggs for Gold Rush bakeries; a lighthouse keeper community on a rock where boats were winched from the sea; and now a closed wildlife refuge where a handful of biologists overwinter with the white sharks that hunt elephant seals off the landing. The cruise is the experience — under the Gate, across the shipping lanes and a genuinely open ocean, into water that boils with humpbacks and blues in season, around islands shrieking with a quarter-million seabirds. You cannot land, and that's part of what it teaches: the Bay Area keeps one place that was never domesticated.
02How to experience it
Naturalist-led full-day trips run from SF's yacht harbor in season (Oceanic Society is the nonprofit standard). Take seasickness seriously — the swell past the Gate humbles the confident. Binoculars, layers for fog-cold, and a flexible date if weather cancels. Pairs with nothing; it IS the day.