Rent a bike from Blazing Saddles for each member of the family and take your visit to San Francisco onto the road. Blazing Saddles is located at Pier 41 in Fisherman's Wharf at the Blue & Gold Fleet Sausalito/Tiburon Ferry Terminal. Take the Historic F Line Street Car to Pier 41. Trailers, baby seats, and tag-a-longs also available for smaller children who aren't ready to bike on their own for about $20/day.
See San Francisco from a bike. One of the best ways to enjoy the city. Located in Fisherman's Wharf, you can easily bike to Crissy Field and enjoy a view of the Golden Gate Bridge. If your family is more adventurous and in shape, the best route is to take the bike path that goes over the Golden Gate Bridge into Sausalito and take the ferry back to Fisherman's Wharf. There will be some quintessential San Francisco hills, so this route is definitely not for the faint of heart.
Blazing Saddles has a lot of options for the various ages of your kids. There are trailers, baby seats, tag-a-longs to help younger kids enjoy the ride without getting too exhausted. Lots of babies and toddlers manage to catch a quick snooze in the trailers.
Great for tweens and teens who love the outdoors. There is a lot of city traffic since Fisherman's Wharf and the Golden Gate Bridge are two of the most crowded sections of San Francisco, so not recommended for smaller kids who are just learning to bike.
Great places to stop with the kids while on the bike tour are the Exploratorium/Palace of Fine Arts and the two vista points for the Golden Gate Bridge (one from the city side) and the other one from the Sausalito side (great pictures of SF).