One of the wolds famoust hotel is the Burj Al Arab.
This is the officiell website:
http://www.burj-al-arab.com/
Other good hotels are here:
Atlantis Dubai:
http://www.atlantisthepalm.com/
Jumeirah Beach hotel:
http://www.jumeirahbeachhotel.com/
Hydropolis:
http://www.hydropolis.com/