*2626 Pine Grove, Port Huron, MI 48060 810-987-6734 *3829 Pine Grove Ave. Fort Gratiot MI 48059 810.982.4047 *1551 Gratiot Blvd. Marysville MI 48040 Discover the many reasons so many customers consider Tim Hortons a friendly meeting place in the local neighborhood, any time of the day and night, seven days a week.