Ludington is the largest city and county seat of Mason County in the U.S. state of Michigan.As of the 2010 census, the city population was 8,076.

Ludington is a harbor town located on Lake Michigan at the mouth of the Pere Marquette River. Many people come to Ludington year round for recreation, including boating and swimming on Lake Michigan, Hamlin Lake, and other smaller inland lakes, as well as hunting, fishing, and camping. Nearby are Ludington State Park (which includes the Big Sable Point Light), Nordhouse Dunes Wilderness, and Manistee National Forest. Ludington is also the home port of the SS Badger, a vehicle and passenger ferry with daily service in the summer across Lake Michigan to Manitowoc, Wisconsin. Watching the Badger come into port in the evening from the end of the north breakwall by the Ludington lighthouse is a favorite local pastime.

Ludington has multiple golf and disc golf courses. In summer, the city hosts one of the largest Gus Macker basketball tournaments (with 35,500 spectators), the Ludington Area Jaycees Freedom Festival (July 4), the Lakestride Half Marathon in June, and the West Shore Art League’s Art Fair. In 2005, as ranked by AAA, Ludington was the fifth-most-popular tourist city in Michigan, behind Mackinaw City, Traverse City, Muskegon, and Sault Ste. Marie.