Empty, Historic Home In The Crystal Cove State Park, Southern California. Image Shows Empty, Historic Homes Designated For Renovation In The Crystal Cove Historic District Part Of Crystal Cove State Park. The Federally Listed Historic District Is An Enclave Of 46 Vintage Rustic Coastal Cottages Originally Built As A Seaside Colony In The 1930€™S & €˜40€™S. Crystal Cove State Park In Southern California Is Located Off Coast Highway Between Corona Del Mar And Laguna Beach, Crystal Cove And Is One Of Orange Counties Largest Remaining Examples Of Open Space And 3.2 Miles Of Natural Seashore.