aquamarine blue boat boulder coast island landscape lap Maddalena Islands natural nature rock Sardinia sea shore summer tide vacation wave yacht cloudy harbour Jetty mist misty old old fashioned safe safe harbor safety sail sailing ship traditional water wet wharf barkentine barquentine gdynia harbor Iskra journey mast navy Poland port sailing see ship tall ship travel vessel Baltic nautical races tourism turistic Alster boats boats bridge dinghis germany hamburg idyll jolly-boat lake landing stage marina reflections river ships wherry apartments buildings dinghy dock fishing fleet houses ocean quay shelter town Whitby bay cold freeze freezing frozen grounded hill hills ice mountain mountains scotland stranded tidal winter