(California)
Brannan Island State Recreation Area is a state park unit of California, United States, preserving a maze of waterways in the Sacramento–San Joaquin River Delta. The recreation area is located in Sacramento County between Rio Vista and Isleton. This park northeast of San Francisco Bay has countless islands and marshes with many wildlife habitats and many opportunities for recreation, including boating, windsurfing and swimming. The 329-acre (133 ha) park was established in 1952. (Ref: https://en.wikipedia.org/wiki/Brannan_Island_State_Recreation_Area)