San Diego Brewery Tours. With more than 30 breweries in San Diego County, San Diego is one of America’s best destinations for craft beer. Choose from three San Diego brewery tours, where you'll taste a variety of beers at some of the city’s most notable breweries and learn about the brewing process. Don’t worry about driving after drinking -- you’ll either be walking or riding a bus as your guide takes you to the best spots in town. Book with us and Save 20%: San Diego Brewery Tours.