Like many young people living in the outrageously expensive San Francisco Bay Area, Sarah Patterson found her first city dwelling on Craigslist. Instead of a tiny apartment, however, her new home was located in a marina.

Patterson has lived in a sailboat for about a year now. She tells Business Insider the money she saved by not renting an apartment enabled her to launch a startup — a direct-to-consumer, organic skincare company called Salinity — and still do things like any other 24-year-old.

Take a look inside Patterson's life at sea.