Here are the real-life settings behind ‘Saint Marie’ island Sign up to Simon Calder’s free travel email for expert advice and money-saving discounts Get Simon Calder’s Travel email Get Simon Calder’s Travel email Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice With perpetual sunshine, golden swathes and free-flowing bottles of “Etensel” beer, Death in Paradise injects a virtual dose of vitamin D into gloomy UK winters –