St Mary ParishWrite a Review631-581-4266Be the first to review!20 Harrison Ave, East Islip, NY 11730Hi there!Be the first to review!5First-class4Better than most3About what I expected2Not the worst...1DisappointingClick to RateMore Business InfoHoursRegular HoursExtra PhonesFax: 631-581-0112TollFree: 844-367-6331Other Linkhttp://parishofstmary.orgCategoryChurch Supplies & Services Suggest an Edit