If you stop by the Off the Grid Picnic at the Presidio, be sure to come hungry. Every Sunday between March through October from 11-4 the Main Post Lawn is lined with vendors from some of San Francisco’s best restaurants, farmer’s markets and retail shops. They even have games for the kids and, my favorite, blanket side bloody mary’s and mimosas! It’s the ultimate picnic. Bring a blanket and plan on staying a while.