Francesco Guardi – View of the Venetian Lagoon with the Tower of Malghera Part 2 National Gallery UK

The picture has something of this: water, sea, boat, watercraft, ocean, ship, beach, sky, transportation system, seashore, wave, summer, landscape, nature, fisherman, sail, vacation, sailboat.
Perhaps it’s a painting of a group of people in a boat on a body of water with a lighthouse in the distance and a light.