The R/V Questuary is located at the Loch Lomond Marina in San Rafael, California. From HWY 101, exit on Point San Pedro Road in San Rafael, head 4.4 miles East. Turn Right on Loch Lonond Drive. Proceede through the traffic circle and head East through the parking lot. The boat is located at the "G" gate. Contact the vessel captain or deckhand to let you through the gate.