Ottawa County Sheriff's Department
- Divisional information and contacts, hours, driving directions, and related resources.
- http://www.miottawa.org/CourtsLE/Sheriff/

Ottawa County Clerk
- Circuit court records and schedule, information about vital records and genealogy research, location, hours, and costs.
- http://miottawa.org/CoGov/Clerk/

Ottawa County, Michigan
- County history, elected officials, and department contact information.
- http://www.co.ottawa.mi.us/