316-318 Main Street, Rockland, Maine Represented by Lewis Wheelwright Fantastic commercial building in the heart of downtown Rockland’s Main Street with excellent visibility and access to a vibrant waterfront community. 8,670 sq ft of versatile 1st-floor commercial space plus an unfinished basement. Downtown zoning allows for mixed uses compatible with existing uses and architectural scale. The building is fully occupied, and businesses are not for sale. 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.