Ottawa County Extension Office - Branch office of Ohio State University, it combines the needs of local citizens and communities, with new research and technical information. Ottawa County Visitors Bureau - Ottawa County, Ohio! Boasting 107 miles of shoreline, this is the Gateway to the Lake Erie islands. The Political Graveyard: Ottawa County, Ohio - Site contains information on the political history of Ottawa County, cemeteries and memorial sites in the county. Ottawa County - Official site provides information about government officials, courts, departments, and attractions. Community Improvement Corporation of Ottawa County - Serves as the lead economic development agency by advancing, encouraging, and promoting industrial, economic, commercial, and civic development. Provides tax profile, education, and community resources. County Map - Map of Ottawa County. Profile for Ottawa County - Information on the political infrastructure of the county. Ottawa County Sheriff's Office - Provides list of services and resources.