Seeking a secluded stay, Daisy Lester heads to Oblu Nature Helengeli by Sentido in the Maldives for a spot of snorkelling 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 This all-inclusive resort is a hotspot for families, boasting a vibrant house coral reef and a