Public transportation in West Marin and Point Reyes is limited. On weekends and holidays from late December through mid-April when visitation by whale watchers to the Point Reyes Lighthouse area is heavy, visitors may be required to ride a shuttle bus from Drakes Beach to the Lighthouse and Chimney Rock areas.
Point Reyes National Seashore currently offers no other public transportation. On weekends during the month of July, 2008, the National Park Service provided a free trial shuttle bus service between Olema Campground and Limantour Beach, with stops at the the Bear Valley Visitor Center and Bayview Trailhead.
West Marin Stagecoach provides public transportation seven days a week between Inverness and San Rafael along Sir Francis Drake Boulevard with service to the Bear Valley Visitor Center. On Tuesdays, Thursdays and Saturdays, the Stagecoach provides service between Stinson Beach/Bolinas and Point Reyes Station along Highway 1. For a full listing of bus routes and times, visit their Stage Schedule page. For more information, call 415-526-3239.
You can use the 511 TakeTransit Trip Planner to figure out how to use public transit to get to the San Rafael Transit Center where you can pick up the West Marin Stagecoach. Enter "Third and Hetherton" and "San Rafael" in the destination fields.
Golden Gate Transit (GGT) provides public transportation to many locations within Marin County. For more information on GGT and to access GGT schedules and maps, check out GGT's website or call toll-free 511 from within the Bay Area or 415-455-2000 if calling from outside the Bay Area.