T E X T T H O M A S C O N N O R S P H O T O G R A P H Y H E L E N I O B A R B E T T A I N T E R I O R D E S I G N R A F F A E L E C O R S A R O A N D G A B R I E L L A C AT A L D I The homeowners enjoy a view of the sea from their 17th-century home.