Item 83034 - Lanning property, N. Side Seashore Avenue, Peaks Island, Portland, 1924 Item 83034 - Lanning property, N. Side Seashore Avenue, Peaks Island, Portland, 1924 Contributed by City of Portland - Planning & Development Item 83034 Zoom 4914px x 3877px - 16.4"w x 12.9"h @ 300dpi | Need a larger size? *Credit line must read: Collections of City of Portland - Planning & Development Image Info Summer Dwelling at N. Side Seashore Avenue in Peaks Island, Portland, was owned by Mary H.C. Lanning in 1924. Show Details