San Francisco's waterfront has no shortage of ways to spend an afternoon, but few of them put you eye-to-eye with a sevengill shark. Tucked right at the entrance to PIER 39, the Aquarium of the Bay is the city's own aquarium — dedicated entirely to the marine life of San Francisco Bay and the waters of Northern California.
According to the aquarium, its habitats are home to more than 24,000 marine animals representing over 200 local species, from bat rays and octopuses to jellyfish, anchovies, and a trio of playful river otters. It's a compact, walkable attraction that fits neatly into a larger Fisherman's Wharf day, which is part of why it remains one of the city's most-visited waterfront stops.
What to Expect Inside
The centerpiece is Under the Bay, where you walk through 300 feet of transparent acrylic tunnels while tens of thousands of Bay creatures swim above and around you. The exhibits are organized into three distinct aquatic areas that trace the Bay from its shallows to its depths, with touchpools along the way for a genuinely hands-on look at local sea life.
A ticket covers more than the aquarium floor. Admission also includes the Sea Lion Center and the Bay Area Model over in Sausalito, so there's room to make a full day of it if you want to explore beyond PIER 39.
A Note for Families
This one is built for kids. Children aged 3 and under enter free, and the river otter gallery doubles as an easy, memorable lesson in why resource conservation matters — the kind of outing that's fun first and educational without trying too hard.
For buyers weighing life along the San Francisco waterfront, spots like this are a small but real part of the appeal. Fisherman's Wharf and the Embarcadero stay lively year-round, and an attraction like the Aquarium of the Bay is one more reason the city's northern shoreline keeps drawing people out for an easy weekend outing.
Location: PIER 39, The Embarcadero & Beach Street, San Francisco, CA 94133
Hours: Daily, 10:00 AM – 5:00 PM
Get Tickets: Aquarium of the Bay on Fever
Sources: Aquarium of the Bay (official website), PIER 39, Fever
