Forget Saint-Jean-Cap-Ferrat in the French Riviera or Kauai island in Hawaii — the best kind of vacation home floats on the sea. At least, it may be for billionaires who already own other ...

The pair envisaged creating a ‘highly exclusive, ultra-luxury residential yacht’ complete with 39 bespoke apartments at a cost of £8.1 million apiece. The plan ... project to build a luxury ...