Upper Newport Bay Nature Preserve

http://maps.google.com/maps/place?cid=3637127196178064375&q=Newport+Bay+Mudflat+area,+Newport+Beach,+CA&hl=en

2301 University Drive, Newport Beach, CA 92660

‎ocparks.com

Parking and entrance on Constellation St. (Lat:33.6569 Lon:-117.89878)