Brannan Island State Recreation Area is now managed by American Land and Leisure.

Brannan Island State Recreation Area is a maze of waterways through the Sacramento-San Joaquin Delta. This park northeast of San Francisco Bay, has countless islands and marshes with many wildlife habitats and many opportunities for recreation, including boating and swimming.

One of the outstanding water-oriented recreation areas in the world, the area offers great fishing, including striped bass, sturgeon, catfish, bluegill, perch and bullhead. Franks Tract, a protected wetland marsh, is home to beaver, muskrat, river otter, mink and 76 species of birds.