Aqua - grand Mackinaw Inn & Waterpark is located in Mackinaw City, Michigan, USA. All property contact information listed on this page, including address, telephone number, email address, and website link ( where applicable ) is provided by Where To Stay USA for your convenience. Please get in touch with Aqua - grand Mackinaw Inn & Waterpark or it's accommodation partners directly for additional information about accommodations, including rates and polices and also to reserve your vacation.