MARYLAND LAKES Cove Point Marsh Calvert County, MD BE THE FIRST TO WRITE A REVIEW SHARE THIS PAGE Cove Point Marsh is located in Calvert County, Maryland. This lake is 131 acres in size. BUY A MARYLAND FISHING LICENSE. SIZE 131 acres POST A FISHING REPORT BAROMETRICPRESSURE WEATHERINFO WIND MAP& FORECAST SUN/MOONINFO