You can download the current version from this website.
A print version of the map is available:
For companies, hotels, wineries, etc.
(no Individuals, please):
Stop by Cowgirl Creamery’s warehouse at 105 H Street in Petaluma Monday-Friday 7:30am-4:00pm or the Marin Convention & Visitor’s Bureau in San Rafael or Point Reyes. Maps come in boxes of 500. You can take a full or partial box. No need to call ahead.