1258 Seaside Cottage. These charming getaways are familiar sights in Nantucket, Martha's Vineyard, Block Island & Peak's Island, Maine. In fact, Maine artist Gretchen Huber Warren makes us long for this perfect summer day, napping on the porch or watching the waves roll in from a comfy Adirondack chair. 550 piece puzzle with a finished size of 18" x 24". (Also available as a 1,000 piece puzzle titled Ocean Avenue item #244.