Emma Mason Signature Castlewill Sofa Table Emma Mason Signature is captivated by the notion that our surroundings powerfully influence our outlook on life. They believe that each of us has the ability to create a soothing and soulful retreat at home that reflects the essence of island living. For that reason, they are passionate about creating a lifestyle that captivates your sense and relaxes your pace from the moment you cross the threshold. Welcome to the Ocean Club collection – the soft contemporary side of Castlewill collection by Emma Mason Signature.