'''Mandalay State Beach''',<ref>{{gnis|245430|Mandalay State Beach}}</ref>''',<ref>{{gnis|1702925|Mandalay County Park}}</ref> is a protected [[beach]] in the city of [[Oxnard, California]], United States. Managed by the [[California Department of Parks and Recreation]],<ref name=county>{{cite web |title=Mandalay Beach|url=http://www.ventura.org/beach-front-parks/mandalay-beach |publisher=County of Ventura |accessdate=2014-05-01}}</ref> the park preserves an area of [[Sand dune ecology|undeveloped sand dunes]] and wetlands that was once common along the {{Convert|16.5|mi|km|adj=mid|-long}} coastline of the [[Oxnard Plain]].<ref name=SEIR>[http://www.ventura.org/rma/planning/pdf/plans/SEIR_for_GPU.pdf "SUBSEQUENT ENVIRONMENTAL IMPACT REPORT FOR FOCUSED GENERAL PLAN UPDATE and Related Amendments to the Non-Coastal Zoning Ordinance and Zone Change ZN05-0008"] ''[[County of Ventura]]'' (June 22, 2005)</ref>