Deer Island is a former island in Marin County,

California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the m ...

, close to (and formerly surrounded by wetlands of) the Novato Creek, upstream of

San Pablo Bay San Pablo Bay is a tidal estuary that forms the northern extension of San Francisco Bay in the East Bay and North Bay regions of the San Francisco Bay Area in northern California. Most of the Bay is shallow; however, there is a deep water c ...

(an embayment of San Francisco Bay). It is now the location of Deer Island Preserve. It used to be inhabited by Antonio DeBorba, who hiked the nearby wetlands to avoid having to use a boat to get home. The building is still there on the Northeastern part of the island. Deer Island's coordinates are , and its elevation is .

References

Islands of Marin County, California Islands of Northern California Petaluma River {{MarinCountyCA-geo-stub