Yerba Buena Island

San Francisco, CA

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Situated in the middle of San Francisco Bay, Yerba Buena Island is a remarkable 150-acre ecological resource with many unique and significant features, including steep topography and vegetated hillsides; dramatic views of San Francisco Bay and Treasure Island; a deep cultural history; and intact communities of native flora and fauna – some unique to Yerba Buena Island. The redevelopment of the island balances new housing, infrastructure and the programming of active open spaces with protection and restoration of the island’s natural character in a way that respects its ecological diversity and habitat.

Left Image Credit: Andrea Gaffney

Public Access + Ecological Value Meets Unmatched City Views

The Yerba Buena Island Habitat Management Plan created an overall development framework for the planning and stewardship of native habitat, through preservation, restoration and enhancement, as well as identifying open space areas, such as, stormwater gardens, beach access, parks, and the extension of the San Francisco Bay Trail – from which the public can enjoy the beauty of the island and views of San Francisco Bay. Given the natural topography of the island, treating rainwater through functional green infrastructure are some of the most important components of the open space plan. At a combined 8.3-acres, Buckeye Grove and Willow Bridge Park drain all the new development footprint on the island and are a unique opportunity to treat stormwater at a large scale. The gardens are multi-layered landscapes–providing biodiverse ecology and habitat for local birds and insect populations, treating rainwater before it enters the Bay, and creating public access for viewing and experience their unique mix of ecology and infrastructure. Both stormwater gardens are designed to address the heaviest typical storms seen in a 30-year period with the capability to treat between 114-206 million gallons of water.

All native habitat areas are protected and preserved by the creation of a designated trail system and serve as destinations throughout the trail and open space system. Trails will also lead to dramatic vista points and overlooks, where native California Coast Live Oaks frame views of San Francisco, the Golden Gate Bridge, the eastern and western spans of the Bay Bridge, as well as nearby Treasure Island and Clipper Cove Beach. The trail network has been designed to provide a range of recreational opportunities for many different users. Winding through a kaleidoscope of existing and restored habitat types, a series of overlooks furnished with custom salvaged eucalyptus seating invite visitors to relax, explore and enjoy the natural beauty of the island.

Image Credit: Andrea Gaffney

These overlooks, habitat management areas, and open spaces add significant ecological and social value to the region. The improvements also serve to increase public access to Yerba Buena Island, San Francisco’s natural wonder in the Bay. Additionally, the open space contributes to, and complements the establishment of, Treasure Island as a comprehensive, regional public park destination.