- Mackinac County Genealogy Trails
- Lists genealogical and historical data including cemeteries, biographies, census, obituaries, marriages, churches, old homes, pioneer families and historical research and resources.
- Mackinac County Plat
- A detailed, interactive plat map of the county and its cities and towns in PDF format.
- National Association of Counties: Mackinac County, MI
- Features information regarding the county population, elected officials, demographic data, and census facts.
- National Register of Historical Places: Mackinac County, Michigan
- Brief description of the historical places in the county. Information about the historic function, signifacance, architectural style, and builder.
- Shepler's Mackinac Island Ferry
- Offers ferry service to and from Mackinac Island. Includes information about, lighthouse cruises, package deals, and fares.
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