Regatta at Sainte-Adresse Claude Oscar Monet (1840-1926)

The picture has something of this: water, watercraft, boat, transportation system, ocean, sea, ship, recreation, people, seashore, vehicle, beach, sailboat, landscape, sail, vacation, sky, wave.
Perhaps it’s a painting of a group of people on a beach next to a body of water with sailboats in the water and a lighthouse in the background.