Oyster Bay Regional Shoreline is a park in San Leandro, California, part of the East Bay Regional Park District (EBRPD). It is located along the eastern shore of San Francisco Bay directly to the south of Oakland International Airport. The property was originally used as a landfill for 37 years, until it was filled to capacity in 1977, when it was capped with a clay cover. EBRPD bought the property in 1980, intending to use it as a park.