Lake Washington   Be the first to submit input for Lake Washington. If you have info on Lake Washington, Plaquemines Parish, Louisiana please submit it here to improve this web site.          These outdoors activities are available near Lake Washington.   Public Lands Near Lake Washington: Grand Isle State Park, Louisiana, 17 miles away St. Bernard State Park, Louisiana, 31 miles away Jean Lafitte National Historic Park & Preserve, New Orleans - LA, 41 miles away   Marinas On or Near Lake Washington: Empire Fuel & Oil, Buras, 9 miles away Joshua's Marina, Buras, 14 miles away Pirate's Cove Marina, Grand Isle, 20 miles away   Hotels Near Lake Washington: Soniat House, New Orleans, 23 miles away Frenchmen Orleans at 519, New Orleans, 24 miles away BEST WESTERN PLUS Westbank, Harvey, 37 miles away Holiday Inn Express HARVEY-MARRERO, Harvey, 37 miles away Comfort Suites Harvey, Harvey, 37 miles away