I took my family on a quaint UK farm stay with nearby beaches, castles and activity resorts

IT’S half nine at night on the summer solstice. The light is doing the golden hour thing it only does in June, and my four-year-old is scattering dragonflies as she launches herself into the cold water. “Can we go in the ‘cold pool’ again?” she asks the next morning. Again. She has asked roughly 200...