Younger Lagoon Reserve is located at the western edge of the City of Santa Cruz, California next to Long Marine Laboratory.  YLR is available for guided public tours through the Seymour Marine Discovery Center. Access to YLR for University and K-12 research and class projects can be obtained by submitting a Reserve Use Application to the reserve director.

From San Francisco Bay Area, take Highway 17 South from San Jose.  Highway 17 ends at Highway One, as you reach the coast. As you approach the coast and the city of Santa Cruz, take Highway One north toward Half Moon Bay (Highway One becomes Mission Street).  Continue north through town.  Turn left on Swift Street. Turn right on Delaware Avenue.  Follow Delaware to the Long Marine Lab entrance at the end of the road.

From Santa Cruz, take Highway One (Mission Street) north. Turn left on Swift Street. Turn right on Delaware Avenue.  Follow Delaware to the Long Marine Lab entrance at the end of the road.