Eastlake is a city in Lake County, Ohio, United States. The population was 18,577 at the 2010 census. Dennis Morley is the current mayor of Eastlake. The city was named for the fact it is northeast of Cleveland, Ohio, following along the shore of Lake Erie.Eastlake is the site where Akron-based FirstEnergy's Eastlake Generating Station shut down at 1:31pm EDT on August 14, 2003, leading to the 2003 North America blackout a few hours later.