More than 80 boats of all shapes and sizes will be on display for the 10th annual Maine Boats, Homes & Harbors Show. The show begins Friday and runs through Sunday at Harbor Park on the Rockland waterfront. Show-goers can view a wide variety of power and sail boats on display in the water and on land. There will also be tents filled with exhibits, live music and a variety of events for children and family. The show is put on by Maine Boats, Homes & Harbors magazine.