Grand Pointe Marina of Detroit & Lansing Store in Harrison Township Address 31785 S River Rd48045 Harrison Township, MI, USContact Tel.(517) 646-6733Emailchris@grandpointemarina.comWebsitehttps://grandpointemarina.com/Opening HoursMonday: 9 AM – 6 PM o'ClockTuesday: 9 AM – 6 PM o'ClockWednesday: 9 AM – 6 PM o'ClockThursday: 9 AM – 6 PM o'ClockFriday: 9 AM – 6 PM o'ClockSaturday: 9 AM – 3 PM o'ClockFind on Map FACEBOOK TWITTER PINTEREST