ISLAND THERAPY Indulge in a ylang-ylang purity body treatment at Oberoi Spa by Banyan Tree on Mauritius. $137 for 90 minutes. If you choose to stay there, room rates from $878, including breakfast, oberoihotels.com. At the Mövenpick Resort & Spa Mauritius, the spa's solarium is made from the bricks of an old nearby sugar factory. Spring for a full-body treatment using essential oils such as palmarosa, ylang-ylang, lemon grass and raventsara. Room rates from $742, including breakfast and dinner, movenpick-hotels .com. Whiff!, which was once at Mövenpick, is currently closed and has no plans to reopen as of press time.