Atlantis underwater hotel in Dubai  [Source:Huanqiu]

Hilton’s Conrad Maldives Rangali Island Resort, Maldives  [Source:Huanqiu]

The Water Discus, Dubai [Source:Huanqiu]

Poseidon Undersea Resorts, Fiji Island [Source:Huanqiu]

Utter Inn, Sweden [Source:Huanqiu]