Kingsgate Hotel
If you ever wondered what it was like to be treated like royalty – head to the Kempinski Emirates Palace for a taster. Renowned as the world’s classiest and costliest hotel, it has placed no limits on expensive marble, gold and stunning interiors. As well as the best conference centre in the region and a mammoth ballroom, the hotel boasts a 1.3km strictly private beach along with beautifully landscaped gardens. Yes, this is the hotel that cost $3bn to make - that's the most expensive hotel in the world.
Source : http://www.grapeshisha.com/hotelsandproperty/budget-hotels-in-abu-dhabi.html