The cozy cottage spans 1,250 square feet and descends to 42 feet of frontage on Las Flores Beach. Finneas O’Connell — the Grammy-winning singer and producer best known for his collaborations with his younger sister, Billie Eilish — has sold his beach house on the sands of Malibu for $5.66 million. An L.A. native, O’Connell has written and produced music …
