This Mackinaw package includes: A certificate for a Family Heritage membership to any of the Mackinac State Historic Park sites (unlimited admission through the season for up to two adults and all children); a certificate from Starline Mackinac Island Ferry for two adult round-trip tickets to Mackinac Island aboard their Ferry line; a certificate from Mackinac Island Carriage Tours for a 1-3/4 hour narrated, historic carriage tour for two adults.