Turner Joseph Mallord William Whitby Joseph Mallord William Turner (1775-1851)

The picture has something of this: landscape, water, people, outdoors, mountain, seashore, rock, daylight, fog, vehicle, nature, sea, group, scenic, environment, river, beach.
Perhaps it’s a painting of a group of people standing on a beach next to a body of water with a castle on top of a hill in the background.