Grand Slam Tennis

St. Peter's Grand Slam Tennis is a company based out of 963 Washington Ave, Portland, Maine, United States. They offer a variety of tennis programs and services for all ages and abilities. Their offerings include summer tennis programs, weekly adult mi... Hours: Monday: 10:30 AM–6 PM; Tuesday: 10:30 AM–6 PM; Wednesday: 10:30 AM–6 PM; Thursday: 10:30 AM–6 PM; Friday: 10:30 AM–6 PM; Saturday: 10:30 AM–6 PM; Sunday: Closed