20-22 Maple Street, Rockland, Maine Represented by Lewis Wheelwright Two-unit duplex tucked in the heart of residential Rockland between Broadway and Main Street and located a block behind the Rockland Public Library. Each unit has roughly 1,200 square feet of living space, with a touch of historic detail inside. The first unit is a three bedroom, one bath and the other offers two bedrooms with one bath and a partially finished attic. Sizeable backyard with mature trees and plenty of parking. Click for More Information on this beautiful Rockland, Maine Real Estate Listing. Click for More Rockland, Maine Homes For Sale. Click for more information on Living in Rockland, ME.