If you're into camping in the backcountry, you can head to Point Reyes National Seashore, just 10 minutes north on Olema Bolinas Road. Much of the area is only accessible by foot, bike, or horseback. You can also reach some beach camping areas by boat. Note that Point Reyes' proximity to San Francisco makes it a very popular destination, so call ahead to make reservations if possible. You can also explore different options for camping near Bolinas on Hipcamp.